Historical Weather Data

Observations began July 2015

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Daily History


HourHigh TempLow TempAvgHigh Heat IndexAvg Heat Index
12:00 AM48.0°46.8°47.5°48.0°47.5°
01:00 AM47.1°46.3°46.7°47.1°46.7°
02:00 AM50.4°45.9°48.2°50.4°48.2°
03:00 AM51.5°50.3°50.8°51.5°50.8°
04:00 AM51.6°49.5°50.9°51.6°50.9°
05:00 AM53.0°50.1°52.0°53.0°52.0°
06:00 AM54.6°52.9°53.5°54.6°53.5°
07:00 AM56.9°54.7°56.0°56.9°56.0°
08:00 AM59.2°56.7°58.2°59.2°58.2°
09:00 AM60.5°59.2°59.8°60.5°59.8°
10:00 AM60.6°60.2°60.4°60.6°60.4°
11:00 AM60.9°60.4°60.7°60.9°60.7°
12:00 PM60.9°59.3°59.9°60.9°59.9°
01:00 PM60.5°59.7°60.1°60.5°60.1°
02:00 PM60.2°56.1°58.9°60.2°58.9°
03:00 PM56.8°55.7°56.3°56.8°56.3°
04:00 PM57.1°55.3°56.5°57.1°56.5°
05:00 PM55.8°54.3°55.2°55.8°55.2°
06:00 PM54.4°51.8°53.1°54.4°53.1°
07:00 PM51.8°51.2°51.5°51.8°51.5°
SUMMARYHigh TempLow TempAvgHigh Heat IndexAvg Heat Index


HourHigh HumidityLow HumidityAvg HumidityHigh Dew PointLow Dew PointAvg Dew Point
12:00 AM85%85%85%43.7°42.5°43.2°
01:00 AM85%84%85%42.8°42.0°42.4°
02:00 AM85%76%81%43.4°41.6°42.5°
03:00 AM76%71%72%43.1°41.9°42.2°
04:00 AM76%71%72%42.7°41.7°42.2°
05:00 AM76%68%70%43.1°41.9°42.5°
06:00 AM70%68%69%44.6°42.8°43.5°
07:00 AM69%65%68%46.1°44.7°45.4°
08:00 AM65%62%63%46.6°45.1°45.9°
09:00 AM63%62%62%47.8°46.3°46.9°
10:00 AM64%62%63%48.3°47.3°47.8°
11:00 AM65%63%64%49.1°47.8°48.4°
12:00 PM73%65%70%51.1°48.7°49.9°
01:00 PM80%71%74%53.9°50.7°51.8°
02:00 PM84%76%80%54.0°51.3°52.7°
03:00 PM89%84%87%53.6°51.2°52.7°
04:00 PM89%88%88%53.6°52.1°53.1°
05:00 PM89%86%88%52.4°50.8°51.6°
06:00 PM90%89%90%51.2°49.0°50.2°
07:00 PM91%90%91%49.3°48.5°48.9°
SUMMARYHigh HumidityLow HumidityAvg HumidityHigh Dew PointLow Dew PointAvg Dew Point


HourHigh SustainedLow SustainedAvg SustainedHigh GustLow GustAvg GustAvg DirectionWind Run
12:00 AM0.0 mph0.0 mph0.0 mph0.0 mph0.0 mph0.0 mph0° N0.0 mi
01:00 AM0.0 mph0.0 mph0.0 mph0.0 mph0.0 mph0.0 mph0° N0.0 mi
02:00 AM5.0 mph0.0 mph2.4 mph11.0 mph0.0 mph5.6 mph216° SW2.4 mi
03:00 AM7.0 mph4.0 mph4.7 mph14.0 mph9.0 mph11.2 mph218° SW4.7 mi
04:00 AM8.0 mph1.0 mph3.8 mph14.0 mph3.0 mph9.6 mph206° SSW3.9 mi
05:00 AM5.0 mph1.0 mph3.8 mph13.0 mph4.0 mph9.7 mph220° SW3.8 mi
06:00 AM6.0 mph2.0 mph3.7 mph13.0 mph7.0 mph11.0 mph211° SSW3.7 mi
07:00 AM6.0 mph5.0 mph5.9 mph14.0 mph12.0 mph13.2 mph217° SW5.9 mi
08:00 AM8.0 mph6.0 mph6.6 mph20.0 mph13.0 mph16.6 mph215° SW6.6 mi
09:00 AM8.0 mph3.0 mph5.5 mph15.0 mph12.0 mph14.0 mph202° SSW5.5 mi
10:00 AM5.0 mph2.0 mph3.9 mph13.0 mph7.0 mph10.6 mph202° SSW3.9 mi
11:00 AM5.0 mph3.0 mph3.7 mph11.0 mph7.0 mph9.1 mph200° SSW3.7 mi
12:00 PM5.0 mph0.0 mph2.7 mph12.0 mph3.0 mph8.3 mph205° SSW2.8 mi
01:00 PM2.0 mph0.0 mph1.1 mph6.0 mph0.0 mph4.2 mph177° S1.1 mi
02:00 PM2.0 mph0.0 mph0.7 mph6.0 mph0.0 mph3.0 mph195° SSW0.7 mi
03:00 PM1.0 mph0.0 mph0.6 mph5.0 mph0.0 mph3.2 mph185° S0.6 mi
04:00 PM2.0 mph0.0 mph0.7 mph8.0 mph0.0 mph4.3 mph158° SSE0.7 mi
05:00 PM2.0 mph1.0 mph1.4 mph7.0 mph0.0 mph6.2 mph186° S1.4 mi
06:00 PM3.0 mph0.0 mph1.1 mph7.0 mph0.0 mph4.7 mph141° SE1.1 mi
07:00 PM1.0 mph1.0 mph1.0 mph6.0 mph2.0 mph4.5 mph160° SSE0.2 mi
SUMMARYHigh SustainedLow SustainedAvg SustainedHigh GustLow GustAvg GustAvg DirectionWind Run
Max8.0 mph6.0 mph6.6 mph20.0 mph13.0 mph16.6 mph6.6 mi
Min0.0 mph0.0 mph0.0 mph0.0 mph0.0 mph0.0 mph0.0 mi
Avg4.0 mph1.4 mph2.7 mph9.7 mph3.9 mph7.6 mph199° SSW2.6 mi
Total52.8 mi




HourHigh PressureLow PressureAvg Pressure
12:00 AM29.89"29.89"29.89"
01:00 AM29.89"29.88"29.88"
02:00 AM29.89"29.88"29.88"
03:00 AM29.89"29.88"29.88"
04:00 AM29.88"29.87"29.88"
05:00 AM29.88"29.87"29.87"
06:00 AM29.88"29.87"29.87"
07:00 AM29.87"29.86"29.86"
08:00 AM29.88"29.85"29.86"
09:00 AM29.86"29.85"29.86"
10:00 AM29.86"29.86"29.86"
11:00 AM29.88"29.86"29.87"
12:00 PM29.90"29.88"29.89"
01:00 PM29.89"29.88"29.89"
02:00 PM29.89"29.88"29.88"
03:00 PM29.88"29.87"29.88"
04:00 PM29.89"29.87"29.88"
05:00 PM29.90"29.87"29.88"
06:00 PM29.88"29.84"29.86"
07:00 PM29.84"29.84"29.84"
SUMMARYHigh PressureLow PressureAvg Pressure


HourHigh UVLow UVAvg UVHigh RadiationLow RadiationAvg RadiationTotal Radiation
12:00 AM0.00.00.00 W/m20 W/m20 W/m20.00 MJ/m2
01:00 AM0.00.00.00 W/m20 W/m20 W/m20.00 MJ/m2
02:00 AM0.00.00.00 W/m20 W/m20 W/m20.00 MJ/m2
03:00 AM0.00.00.00 W/m20 W/m20 W/m20.00 MJ/m2
04:00 AM0.00.00.00 W/m20 W/m20 W/m20.00 MJ/m2
05:00 AM0.00.00.00 W/m20 W/m20 W/m20.00 MJ/m2
06:00 AM0.00.00.033 W/m20 W/m219 W/m20.07 MJ/m2
07:00 AM0.50.00.1156 W/m235 W/m291 W/m20.33 MJ/m2
08:00 AM1.40.61.0338 W/m284 W/m2224 W/m20.81 MJ/m2
09:00 AM1.81.31.6373 W/m2237 W/m2299 W/m21.08 MJ/m2
10:00 AM1.50.91.2236 W/m2107 W/m2162 W/m20.58 MJ/m2
11:00 AM1.30.91.0149 W/m298 W/m2114 W/m20.41 MJ/m2
12:00 PM2.10.91.4239 W/m295 W/m2153 W/m20.55 MJ/m2
01:00 PM2.21.21.7241 W/m2128 W/m2181 W/m20.65 MJ/m2
02:00 PM1.70.50.9183 W/m256 W/m291 W/m20.33 MJ/m2
03:00 PM1.80.61.1193 W/m265 W/m2115 W/m20.42 MJ/m2
04:00 PM0.90.00.6100 W/m244 W/m277 W/m20.28 MJ/m2
05:00 PM0.60.00.176 W/m221 W/m241 W/m20.15 MJ/m2
06:00 PM0.00.00.069 W/m214 W/m233 W/m20.12 MJ/m2
07:00 PM0.00.00.065 W/m239 W/m248 W/m20.04 MJ/m2
SUMMARYHigh UVLow UVAvg UVHigh RadiationLow RadiationAvg RadiationTotal Radiation
Max2.21.31.7373 W/m2237 W/m2299 W/m21.08 MJ/m2
Daytime Avg0.8122 W/m20.41 MJ/m2
Total5.80 MJ/m2
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Monthly History


DayHigh TempLow TempAvg (NWS)AvgHDDCDDHigh Heat IndexAvg Heat Index
May 0153.1°42.9°48.0°46.8°°46.8°
May 0250.0°39.1°44.5°43.2°°43.2°
May 0342.9°37.6°40.5°39.8°°39.8°
May 0447.7°33.3°40.5°40.2°°40.2°
May 0556.1°31.7°44.0°43.8°°43.8°
May 0654.5°35.6°45.5°45.6°°45.6°
May 0758.7°35.3°47.0°47.4°°47.4°
May 0865.4°44.0°54.5°55.0°°55.0°
May 0974.5°50.3°62.0°62.8°°62.8°
May 1075.0°53.5°64.0°64.4°°64.4°
May 1160.4°44.6°52.5°52.6°°52.6°
May 1286.4°50.9°68.5°65.2°°65.5°
May 1389.6°45.2°67.5°67.3°0.02.390.9°67.4°
May 1471.0°49.6°60.5°64.1°°64.1°
May 1569.7°51.7°61.0°60.8°°60.8°
May 1659.0°47.9°53.5°53.2°°53.2°
May 1750.2°40.0°45.0°44.5°°44.5°
May 1873.0°39.8°56.5°56.8°°56.8°
May 1954.2°39.8°47.0°46.2°°46.2°
May 2062.9°45.7°54.5°54.8°°54.8°
May 2156.9°38.9°48.0°45.2°°45.2°
May 2248.0°40.1°44.0°43.4°°43.4°
May 2359.8°40.8°50.5°50.3°°50.3°
May 2466.2°45.5°56.0°55.9°°55.9°
May 2556.1°41.7°49.0°47.6°°47.6°
May 2654.3°42.1°48.0°48.1°°48.1°
May 2760.0°47.9°54.0°53.2°°53.2°
May 2860.9°45.9°53.5°54.9°°54.9°
SUMMARYHigh TempLow TempAvg (NWS)AvgHDDCDDHigh Heat IndexAvg Heat Index
ThresholdsHigh TempLow Temp 
>= 900 days 
>= 802 days0 days 
<= 320 days1 day 
<= 00 days0 days 


DayHigh HumidityLow HumidityAvg HumidityHigh Dew PointLow Dew PointAvg Dew Point
May 0190%57%80%46.5°32.8°40.8°
May 0292%63%80%43.9°33.4°37.4°
May 0391%61%75%37.1°27.5°32.2°
May 0476%53%64%33.6°25.8°28.8°
May 0580%37%59%34.8°25.7°29.6°
May 0673%41%56%35.3°26.4°30.3°
May 0776%24%47%32.1°16.1°27.1°
May 0851%24%35%33.4°15.0°27.3°
May 0958%29%42%47.5°29.9°39.2°
May 1089%44%67%59.6°47.0°52.7°
May 1194%56%81%55.3°40.5°46.9°
May 1292%51%73%70.4°44.4°55.9°
May 1390%37%62%64.6°40.7°52.8°
May 1488%34%61%58.8°39.4°49.3°
May 1563%28%45%46.5°31.8°38.7°
May 1667%44%54%42.0°33.6°36.8°
May 1773%51%63%36.8°28.4°32.6°
May 1878%36%53%47.7°29.5°38.8°
May 1991%71%83%47.7°36.8°41.1°
May 2097%68%86%59.7°43.5°50.5°
May 2189%58%67%45.6°28.5°34.8°
May 2286%60%74%41.1°29.5°35.4°
May 2372%29%49%36.4°24.9°31.0°
May 2456%28%41%40.9°27.4°32.1°
May 2591%35%69%42.4°28.4°37.4°
May 2694%77%88%50.7°39.9°44.7°
May 2786%61%78%48.8°43.4°46.4°
May 2891%68%79%54.7°41.9°48.4°
SUMMARYHigh HumidityLow HumidityAvg HumidityHigh Dew PointLow Dew PointAvg Dew Point


DayHigh SustainedLow SustainedAvg SustainedHigh GustLow GustAvg GustAvg DirectionWind Run
May 019.0 mph0.0 mph4.4 mph21.0 mph0.0 mph11.9 mph159° SSE105.6 mi
May 028.0 mph0.0 mph2.8 mph14.0 mph0.0 mph7.1 mph268° W66.5 mi
May 0310.0 mph0.0 mph4.8 mph22.0 mph0.0 mph11.1 mph337° NNW115.4 mi
May 048.0 mph0.0 mph3.3 mph13.0 mph0.0 mph7.2 mph33° NNE78.3 mi
May 055.0 mph0.0 mph1.6 mph10.0 mph0.0 mph4.3 mph74° ENE37.9 mi
May 065.0 mph0.0 mph2.2 mph13.0 mph0.0 mph5.6 mph33° NNE51.9 mi
May 079.0 mph0.0 mph2.4 mph22.0 mph0.0 mph5.9 mph96° E57.6 mi
May 0813.0 mph0.0 mph5.9 mph26.0 mph0.0 mph15.1 mph175° S142.3 mi
May 0923.0 mph0.0 mph10.0 mph49.0 mph1.0 mph24.4 mph165° SSE241.0 mi
May 1021.0 mph0.0 mph4.5 mph48.0 mph0.0 mph11.6 mph49° NE107.5 mi
May 116.0 mph0.0 mph2.1 mph11.0 mph0.0 mph5.5 mph356° N49.9 mi
May 1215.0 mph0.0 mph6.2 mph36.0 mph0.0 mph15.4 mph192° SSW147.8 mi
May 1315.0 mph0.0 mph4.9 mph34.0 mph0.0 mph12.2 mph160° SSE117.7 mi
May 1411.0 mph0.0 mph2.5 mph17.0 mph0.0 mph6.5 mph67° ENE59.5 mi
May 1512.0 mph0.0 mph3.1 mph23.0 mph0.0 mph8.3 mph234° SW73.3 mi
May 1612.0 mph0.0 mph5.2 mph24.0 mph3.0 mph12.5 mph320° NW125.9 mi
May 178.0 mph0.0 mph4.3 mph18.0 mph0.0 mph10.6 mph10° N104.2 mi
May 1810.0 mph0.0 mph4.7 mph24.0 mph0.0 mph12.6 mph198° SSW112.4 mi
May 197.0 mph0.0 mph2.3 mph16.0 mph0.0 mph6.6 mph56° NE55.4 mi
May 2012.0 mph0.0 mph2.5 mph26.0 mph0.0 mph6.8 mph179° S59.0 mi
May 2110.0 mph0.0 mph4.5 mph22.0 mph0.0 mph11.1 mph357° N107.9 mi
May 227.0 mph0.0 mph2.0 mph15.0 mph0.0 mph5.6 mph286° WNW48.9 mi
May 236.0 mph0.0 mph3.0 mph13.0 mph0.0 mph8.2 mph174° S73.0 mi
May 247.0 mph0.0 mph3.0 mph18.0 mph0.0 mph8.7 mph174° S72.0 mi
May 257.0 mph0.0 mph1.5 mph17.0 mph0.0 mph4.8 mph79° ENE35.0 mi
May 269.0 mph0.0 mph2.6 mph17.0 mph0.0 mph6.6 mph342° NNW62.7 mi
May 277.0 mph0.0 mph3.5 mph15.0 mph0.0 mph8.8 mph2° N83.6 mi
May 288.0 mph0.0 mph2.7 mph20.0 mph0.0 mph7.6 mph199° SSW52.8 mi
SUMMARYHigh SustainedLow SustainedAvg SustainedHigh GustLow GustAvg GustAvg DirectionWind Run
Max23.0 mph0.0 mph10.0 mph49.0 mph3.0 mph24.4 mph241.0 mi
Min5.0 mph0.0 mph1.5 mph10.0 mph0.0 mph4.3 mph35.0 mi
Avg10.0 mph0.0 mph3.7 mph21.6 mph0.1 mph9.4 mph133° SE87.3 mi
Total2445.1 mi


May 010.11"0.0"
May 020.02"0.0"
May 030.00"0.0"
May 040.00"0.0"
May 050.00"0.0"
May 060.00"0.0"
May 070.00"0.0"
May 080.00"0.0"
May 090.00"0.0"
May 100.03"0.0"
May 110.00"0.0"
May 120.91"0.0"
May 130.00"0.0"
May 140.05"0.0"
May 150.00"0.0"
May 160.00"0.0"
May 170.00"0.0"
May 180.00"0.0"
May 190.18"0.0"
May 200.42"0.0"
May 210.00"0.0"
May 220.11"0.0"
May 230.00"0.0"
May 240.00"0.0"
May 250.20"0.0"
May 260.40"0.0"
May 270.00"0.0"
May 280.24"0.0"
>= 0.01"11 days
>= 0.10"8 days0 days
>= 1"0 days0 days
>= 4"0 days0 days
>= 8"0 days


DayHigh PressureLow PressureAvg Pressure
May 0129.81"29.64"29.68"
May 0230.05"29.71"29.91"
May 0330.17"30.01"30.10"
May 0430.31"30.17"30.25"
May 0530.23"30.04"30.14"
May 0630.07"30.00"30.02"
May 0730.10"29.98"30.04"
May 0830.03"29.95"29.99"
May 0930.01"29.72"29.88"
May 1030.13"29.74"29.98"
May 1130.32"30.12"30.24"
May 1230.15"29.91"30.01"
May 1329.96"29.80"29.87"
May 1429.94"29.79"29.88"
May 1529.90"29.76"29.85"
May 1629.94"29.74"29.82"
May 1730.13"29.94"30.06"
May 1830.06"29.57"29.83"
May 1929.63"29.43"29.57"
May 2029.61"29.25"29.39"
May 2130.16"29.60"29.96"
May 2230.34"30.12"30.22"
May 2330.40"30.28"30.35"
May 2430.31"30.23"30.27"
May 2530.26"29.84"30.14"
May 2629.85"29.73"29.79"
May 2729.90"29.83"29.87"
May 2829.90"29.84"29.88"
SUMMARYHigh PressureLow PressureAvg Pressure


DayHigh UVDaytime Avg UVHigh RadiationDaytime Avg RadiationTotal Radiation
May 013.80.7439 W/m291 W/m24.75 MJ/m2
May 025.81.0654 W/m2146 W/m27.63 MJ/m2
May 037.22.5979 W/m2412 W/m221.61 MJ/m2
May 046.52.71002 W/m2473 W/m224.88 MJ/m2
May 056.72.7898 W/m2454 W/m223.95 MJ/m2
May 067.33.2882 W/m2497 W/m226.25 MJ/m2
May 077.53.1898 W/m2505 W/m226.77 MJ/m2
May 086.21.9795 W/m2269 W/m214.33 MJ/m2
May 096.32.5773 W/m2348 W/m218.57 MJ/m2
May 108.31.7993 W/m2211 W/m211.28 MJ/m2
May 117.22.1870 W/m2294 W/m215.78 MJ/m2
May 127.92.6977 W/m2326 W/m217.56 MJ/m2
May 137.83.3851 W/m2456 W/m224.62 MJ/m2
May 148.03.2937 W/m2445 W/m224.11 MJ/m2
May 158.02.81099 W/m2439 W/m223.82 MJ/m2
May 168.22.11158 W/m2325 W/m217.66 MJ/m2
May 176.82.9909 W/m2481 W/m226.21 MJ/m2
May 188.72.71169 W/m2371 W/m220.28 MJ/m2
May 197.51.81058 W/m2245 W/m213.42 MJ/m2
May 203.20.5512 W/m292 W/m25.06 MJ/m2
May 217.12.7960 W/m2417 W/m222.96 MJ/m2
May 227.21.41195 W/m2214 W/m211.85 MJ/m2
May 238.32.71311 W/m2463 W/m225.66 MJ/m2
May 247.52.91093 W/m2461 W/m225.60 MJ/m2
May 252.30.6237 W/m282 W/m24.55 MJ/m2
May 264.21.2478 W/m2143 W/m27.98 MJ/m2
May 277.83.2932 W/m2467 W/m226.08 MJ/m2
May 282.20.8373 W/m2122 W/m25.80 MJ/m2
SUMMARYHigh UVDaytime Avg UVHigh RadiationDaytime Avg RadiationTotal Radiation
Max8.73.31311 W/m2505 W/m226.77 MJ/m2
Min2.20.5237 W/m282 W/m24.55 MJ/m2
Avg6.62.2873 W/m2331 W/m217.82 MJ/m2
Total499.01 MJ/m2
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Yearly History


MonthHigh TempLow TempAvg (NWS)AvgHDDCDDHigh Heat IndexAvg Heat IndexLow Wind ChillAvg Wind Chill
SUMMARYHigh TempLow TempAvg (NWS)AvgHDDCDDHigh Heat IndexAvg Heat IndexLow Wind ChillAvg Wind Chill
ThresholdsHigh TempLow Temp 
>= 900 days 
>= 802 days0 days 
<= 3269 days109 days 
<= 00 days8 days 


MonthHigh HumidityLow HumidityAvg HumidityHigh Dew PointLow Dew PointAvg Dew Point
SUMMARYHigh HumidityLow HumidityAvg HumidityHigh Dew PointLow Dew PointAvg Dew Point


MonthHigh SustainedAvg SustainedHigh GustAvg GustAvg DirectionWind Run
Jan20.0 mph5.7 mph42.0 mph13.7 mph271° W4218.7 mi
Feb18.0 mph5.8 mph47.0 mph13.9 mph289° WNW3905.7 mi
Mar16.0 mph5.1 mph35.0 mph12.0 mph304° WNW3800.3 mi
Apr18.0 mph4.7 mph35.0 mph11.6 mph262° W3375.2 mi
May23.0 mph3.7 mph49.0 mph9.4 mph132° SE2444.8 mi
SUMMARYHigh SustainedAvg SustainedHigh GustAvg GustAvg DirectionWind Run
Max23.0 mph5.8 mph49.0 mph13.9 mph4218.7 mi
Min16.0 mph3.7 mph35.0 mph9.4 mph2444.8 mi
Avg19.0 mph5.0 mph41.6 mph12.2 mph285° WNW3572.3 mi
Total17744.7 mi


>= 0.01"65 days
>= 0.10"30 days41 days
>= 1"1 day21 days
>= 4"0 days2 days
>= 8"2 days


MonthHigh PressureLow PressureAvg Pressure
SUMMARYHigh PressureLow PressureAvg Pressure


MonthHigh UVDaytime Avg UVHigh RadiationDaytime Avg RadiationTotal Radiation
Jan2.00.4598 W/m2126 W/m2128.31 MJ/m2
Feb3.70.7891 W/m2173 W/m2181.61 MJ/m2
Mar4.61.11004 W/m2228 W/m2305.29 MJ/m2
Apr7.41.51199 W/m2253 W/m2373.81 MJ/m2
May8.72.21311 W/m2331 W/m2498.96 MJ/m2
SUMMARYHigh UVDaytime Avg UVHigh RadiationDaytime Avg RadiationTotal Radiation
Max8.72.21311 W/m2331 W/m2498.96 MJ/m2
Min2.00.4598 W/m2126 W/m2128.31 MJ/m2
Avg5.31.11001 W/m2220 W/m2297.60 MJ/m2
Total1487.98 MJ/m2
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Marquette, MI Normals

Month TempHi TempLo TempAv Depart Rain Snow
January 24.6° F 12.4° F 18.5° F -0.5° F 1.86" 25.1"
February 26.9° F 12.5° F 19.7° F -0.1° F 1.47" 20.9"
March 35.3° F 21.0° F 28.2° F 0.1° F 1.59" 14.2"
April 45.8° F 31.0° F 38.4° F 1.0° F 2.74" 8.4"
May 58.7° F 40.8° F 49.8° F 3.0° F 2.90" 0.3"
June 67.9° F 50.1° F 59.0° F 2.9° F 3.05" 0.0"
July 74.6° F 57.7° F 66.2° F 1.7° F 3.11" 0.0"
August 74.3° F 58.1° F 66.2° F 0.5° F 2.31" 0.0"
September 67.3° F 51.6° F 59.4° F 0.5° F 3.34" 0.0"
October 53.9° F 40.0° F 47.0° F -0.3° F 3.43" 0.9"
November 40.6° F 28.5° F 34.5° F -0.3° F 2.42" 11.1"
December 30.2° F 18.6° F 24.4° F -0.4° F 1.98" 21.1"
SUMMARY TempHi TempLo TempAv Depart Rain Snow
Avg 50.0° F 35.2° F 42.6° F 0.67
Total 30.2" 102.0"
Based on official Marquette NOAA COOP station averages 1991-2020
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Station Records


Highest recorded temperature: 95.2 °F on Jun 6, 2021
Lowest recorded temperature: -14.7 °F on Jan 31, 2019
Total recorded temperature range: 109.9 °F

Highest recorded pressure: 30.83 inHg on Jan 13, 2017
Lowest recorded pressure: 28.78 inHg on Dec 24, 2015
Total recorded pressure range: 2.05 inHg

Highest recorded wind speed: 51.0 MPH on Feb 24, 2019

Wettest day on record: Sep 5, 2018 with 3.11 in of rain.

Sunniest day on record: Jun 14, 2020 with 12.1 hours of sunshine.

Official Weather Data

Forecast Accuracy

Check the accuracy of forecasted temperatures

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  • The above data, with the exception of normals, are produced by a private weather station located 1/4 mile south of downtown Marquette. The station went online July 10, 2015.
  • If you're seeking official weather data for the Marquette COOP station (1857 - present), please visit NOAA NOWData.
  • Graphs at the top are linked to larger, more detailed views that in some cases add information. These larger versions update every 5 minutes. Smaller graphs are updated every minute.
  • Daily and monthly history tables are updated every 5 minutes. Yearly histories are updated at the top of every hour.


  • "NWS" averages are the sum of the daily high temperature & daily low temperature in whole degrees divided by 2. This is the National Weather Service method used for climatological summaries. All other fields labelled "Avg" contain integrated averages using one minute samples. "Avg" labelled summary columns contain weighted means (i.e. a partial hour/day/month counts less than a full one).
  • CDD = Cooling Degree Days & HDD = Heating Degree Days. Degree days are calculated using daily NWS averages compared to a base value of 65°. For example, a day with an avg temperature of 67.7° will have 2.7 CDDs & 0 HDDs. A 33.2° avg temperature will produce 31.8 HDDs & 0 CDDs.
  • In the daily & monthly history tables, "Wind Chill" appears only October through April. It is calculated when the temperature is 45 or below and sustained wind speed is at least 3 mph. Otherwise, it equals the temperature. Likewise, "Heat Index" appears only May through September. It is calculated only when the temperature is 80 or above. Otherwise, it equals the temperature.


  • "Sustained" wind is the rolling 10 minute average sustained wind speed.
  • "Wind Dir" is a scalar average of direction irrespective of speed. However, calm winds do not have a valid direction and are not included in the average.
  • "Wind Run" uses the 10 minute wind average.
  • "Low Sustained" & "Low Max" wind values are omitted from the yearly history table since every field equals 0.
  • Anemometer (wind gauge) was raised from 20 ft to 28 ft on June 18, 2017

Humidity / Dew Point

  • As of July 2018 daily, monthly, and yearly history tables contain corrected humidities and dew points. A custom correction curve addresses a dry bias above 95% and a wet bias below 92% inherent to the sensor. A third-party device accurate to within 2% humidity established the deltas used in the algorithm. The daily table contains up-to-date corrections for today. The monthly and yearly tables have corrections through yesterday (updated just after midnight each morning).
  • The smaller embedded 24 hour graphs contain uncorrected humidities & dew points. The detailed, larger graphics (available by clicking image) contain corrected values.


  • "Liquid" precipitation in the winter is the amount of melted snow and/or ice.
  • Daily snowfall record keeping began in October 2017.
  • Starting in the fall of 2019 snowfall measurements for the current season also appear on the Snow Measurements page. This is where you will find break outs of all intraday measurements & estimates when measurement was insufficient or impossible.
  • Snowfall measurements occur as time, health, and weather permits.
  • The daily precipitation table doesn't contain hourly reports because often we correct the total with a measurement from our manual gauge. Unfortunately, when that happens, we have no way of reconstructing hourly amounts. For a raw, uncorrected breakdown of rain over the past 24 hours please see the precipitation graph at the top of the page.


  • Since January 15, 2018, pressure is recorded in altimeter format. The home page, however, continues to display "Barometer" in MSLP format by default.


  • UV index measurement began June 6, 2020. Sensor detects ultraviolet radiation at wavelengths of 290 to 390 nm. Scale is 0-16 (but never gets above 11 in Marquette).
  • Solar radiation measurement began June 11, 2020. Scale for solar radiation is 0 - 1800 Watts per meter squared. This measurement of the sun's energy (detected between 300 and 1100 nanometers wavelength) can approximate daylight cloud cover relative to clear days for a given time of year. It's also useful for determining solar electricity generation and aerosol levels (pollution, smoke, dust, ash, etc).
  • The daily table summary footer for this tab omits "Min" since every value is always 0. Instead you'll see a "Daytime Avg" row displaying weighted averages of all hourly maximums, minimums, and averages between sunrise & sunset.
  • In monthly & yearly tables, you'll see a "Daytime Avg" column containing daylight averages. The "Min" column will be entirely missing since every value would be 0.
  • Total Radiation is measured in Megajoules (1,000,000 J) per meter squared.


  • "Depart" in the Normals table refers to the average departure (or difference) between our weather station and the official Marquette average temperature recorded at the Water Filtration Plant on Lakeshore Dr. These numbers are updated monthly based on data beginning August 2015 (first full month of data collection).
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