Blue Hill Meteorological Observatory |
42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet Milton, Massachusetts USA |
Today's Highs and Lows | ||
Temperature | 25.7°F @ 2:14 PM 16.1°F @ 6:27 AM |
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Dew Point | 17.2°F 12:00 AM 4.5°F 1:23 PM |
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Humidity | 77% 12:00 AM 41% 1:22 PM |
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Wind Gust | 35 mph W @ 1:59 PM |
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Wind Speed | 27 mph W @ 1:55 PM |
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Barometer | 30.221" 5:09 PM 29.743" 12:03 AM |
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Precipitation | Max 0.00"1 12:00 AM Last 24 hours 0.00" Storm total 0.00" |
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Evapotranspiration | 0.067" | |
Wind Chill Gust | Min -2°F 7:09 AM | |
Wind Chill Avg | Min 0°F 6:02 AM | |
Heat Index | Max 25°F 12:37 PM | |
Sunshine | Max 526 W/m2 11:49 AM | |
1. Instantaneous rainfall rate. |
Yesterday January 29, 2025 | ||
Maximum, Minimum | Mean/Total | |
Temperature | 46.7°F @ 1:14 PM 19.6°F @ 2:03 AM |
33.2° |
Dew Point | 33.4°F 2:01 PM 6.9°F 12:07 AM |
22.4° |
Humidity | 94% 6:14 AM 50% 12:06 AM |
72.7% |
Wind Gust | 58 mph W @ 7:03 PM |
17.9 264° |
Wind Speed | 39 mph W @ 4:48 PM |
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Barometer | 29.748" 11:48 PM 29.300" 1:05 PM |
29.467 |
Wind Chill Gust | Min 3°F 3:37 AM | |
Wind Chill Avg | Min 5°F 3:37 AM | |
Heat Index | Max 46°F 12:54 PM | |
Sunshine | Max 633 W/m2 10:56 AM | 81.6 |
Degree Days |
Heating (Base 65°F): 31 Cooling (Base 65°F): 0 |
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Precipitation | 0.01" | |
Evapotranspiration | 0.081" | |
Precipitation Types | none | |
Snowfall | 0.0" | |
Snowcover | 0" |
Forecast |
Mostly clear for 12 to 24 hours and cooler. |
Number of Days | |
For January | For 2025 |
Rain: 8 Snow: 0 Heavy Fog: 0 Thunder: 0 High ≥ 90°F: 0 Low ≤ 32°F: 29 High ≤ 32°F: 17 Low ≤ 0°F: 0 Cloudy: 0 Partly Cloudy: 0 Clear: 0 |
Rain: 8 Snow: 0 Heavy Fog: 0 Thunder: 0 High ≥ 90°F: 0 Low ≤ 32°F: 29 High ≤ 32°F: 17 Low ≤ 0°F: 0 Cloudy: 0 Partly Cloudy: 0 Clear: 0 |
Date of last rainfall: January 29, 2025 (1 days) |
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Monthly and Yearly Statistics | ||
Monthly Maximum, Minimum, Mean/Total |
Yearly Maximum, Minimum, Mean/Total |
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Temperature °F | 46.7° on Jan 1 5:58 AM 2.5° on Jan 22 6:46 AM Mean 25.4° |
46.7° on Jan 1 5:58 AM 2.5° on Jan 22 6:46 AM Mean 25.4° |
Dew Point °F | 46.4° on Jan 1 5:58 AM -5.8° on Jan 22 6:34 PM Mean 17.0° |
46.4° on Jan 1 5:58 AM -5.8° on Jan 22 6:34 PM Mean 17.0° |
Humidity | 100% on Jan 1 9:29 AM 33% on Jan 28 12:36 PM Mean 71.3% |
100% on Jan 1 9:29 AM 33% on Jan 28 12:36 PM Mean 71.3% |
Wind Gust (mph) | WNW 65 on Jan 28 11:53 AM WNW 0 on Jan 10 8:15 PM Mean 282° 14.1 |
WNW 65 on Jan 28 11:53 AM WNW 0 on Jan 10 8:15 PM Mean 282° 14.1 |
Wind Speed | WNW 46 on Jan 28 11:54 AM SE 0 on Jan 11 6:34 AM |
WNW 46 on Jan 28 11:54 AM SE 0 on Jan 11 6:34 AM |
Barometer | 30.542" on Jan 21 9:56 AM 29.300" on Jan 29 1:05 PM Mean 29.858" |
30.542" on Jan 21 9:56 AM 29.300" on Jan 29 1:05 PM Mean 29.858" |
Precipitation | Total 1.11" | Total 1.11" |
Evapotranspiration | Total 1.831" | Total 1.831" |
Wind Chill Gust °F | Min -16° on Jan 22 7:14 AM | Min -16° on Jan 22 7:14 AM |
Wind Chill Avg °F | Min -15° on Jan 22 7:15 AM | Min -15° on Jan 22 7:15 AM |
Heat Index °F | Max 46° on Jan 1 5:08 AM | Max 46° on Jan 1 5:08 AM |
Sunshine (W/m2) | Max 761 on Jan 20 11:04 AM Mean 82.4 |
Max 761 on Jan 20 11:04 AM Mean 82.4 |
Extremes are the first of multiple occurrences. |
All-Time Records | ||
Maximum, Minimum | ||
Temperature °F | 99.1° on Jul 6, 2010 1:59 PM -13.4° on Feb 4, 2023 5:47 AM |
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Dew Point °F | 81.5° on Jul 20, 2019 1:48 PM -79.1° on Nov 26, 2009 3:18 AM |
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Humidity | 100% on Apr 24, 2004 7:18 AM 0% on Apr 5, 2007 8:24 AM |
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Wind Gust (mph) | SSE 95 on Dec 19, 2023 11:31 AM ESE 0 on Apr 21, 2004 1:52 AM |
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Wind Speed | S 57 on Apr 13, 2020 3:38 PM SSW 0 on Apr 21, 2004 2:06 AM |
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Barometer | 30.932" on Dec 14, 2024 10:03 AM 28.675" on Feb 7, 2020 2:58 PM |
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Precipitation | Max rate 96.00"/hr on Jan 12, 2005 5:44 PM | |
Evapotranspiration | Max day 2.823" on Dec 31, 2009 12:00 PM | |
Wind Chill Gust °F | Min -138° on Feb 3, 2023 3:33 AM | |
Wind Chill Avg °F | Min -134° on Feb 3, 2023 3:36 AM | |
Heat Index °F | Max 113° on Jun 20, 2024 12:23 PM | |
Sunshine (W/m2) | Max 1498 on Jul 13, 2024 11:20 AM | |
Records begin 04/20/2004. Extremes are the first of multiple occurrences. |
Battery Status | |
Transmitters | All OK |
Console | 4.77V |
Data generated by WxSolution Version 1.9.1.9, Build 2022.03.27.