Blue Hill Meteorological Observatory |
42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet Milton, Massachusetts USA |
Tuesday, April 20, 2021 | ||||||||||||||||
9:10 AM (Eastern Standard Time) | ||||||||||||||||
Updated every 10 minutes | ||||||||||||||||
Fair 62.6°F 17.0°C |
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![]() Facing WNW. Updated every 15 minutes. Source: Camnet |
Today's Highs and Lows | ||
Temperature | 62.6°F 9:09 AM 45.1°F 4:40 AM |
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Dew Point | 45.0°F 8:21 AM 39.6°F 9:01 AM |
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Humidity | 83% 4:32 AM 44% 9:01 AM |
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Wind Gust | WSW 26 mph 8:56 AM WSW 3 mph 7:18 AM |
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Wind Speed | WSW 19 mph 8:56 AM WSW 6 mph 7:07 AM |
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Barometer | 29.905" 8:52 AM 29.842" 1:33 AM |
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Precipitation | Max rate1 0.00" 12:00 AM Last 24 hours 0.00" Storm total 0.00" |
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Evapotranspiration | 0.044" | |
Wind Chill Gust | Min 38°F 4:38 AM | |
Wind Chill Avg | Min 38°F 4:40 AM | |
Heat Index | Max 62°F 8:48 AM | |
Sunshine | Max 726 W/m2 8:49 AM | |
1. Instantaneous rainfall rate. |
Forecast |
Increasing clouds with little temperature change. |
Number of Days | |
For April | For 2021 |
Rain: 5 Snow: 0 Heavy Fog: 0 Thunder: 0 High ≥ 90°F: 0 Low ≤ 32°F: 4 High ≤ 32°F: 0 Low ≤ 0°F: 0 Cloudy: 0 Partly Cloudy: 0 Clear: 0 |
Rain: 32 Snow: 0 Heavy Fog: 0 Thunder: 0 High ≥ 90°F: 0 Low ≤ 32°F: 78 High ≤ 32°F: 25 Low ≤ 0°F: 0 Cloudy: 0 Partly Cloudy: 0 Clear: 0 |
Date of last rainfall: April 17, 2021 (3 days) |
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Yesterday April 19, 2021 | ||
Maximum, Minimum | Mean/Total | |
Temperature | 66.2°F 2:40 PM 44.1°F 1:36 AM |
55.1° |
Dew Point | 44.8°F 8:36 AM 35.5°F 2:51 PM |
40.7° |
Humidity | 84% 1:23 AM 34% 2:41 PM |
62.3% |
Wind Gust | SSW 24 mph 6:03 PM NW 0 mph 9:49 AM |
7.8 273° |
Wind Speed | SW 16 mph 6:04 PM E 1 mph 10:59 AM |
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Barometer | 29.875" 8:19 AM 29.785" 3:29 PM |
29.837 |
Wind Chill Gust | Min 38°F 1:39 AM | |
Wind Chill Avg | Min 39°F 1:40 AM | |
Heat Index | Max 66°F 2:35 PM | |
Sunshine | Max 1097 W/m2 12:41 PM | 233.1 |
Degree Days |
Heating (Base 65°F): 10 Cooling (Base 65°F): 0 |
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Precipitation | 0.00" | |
Evapotranspiration | 0.168" | |
Precipitation Types | none | |
Snowfall | 0.0" | |
Snowcover | 0" |
Monthly and Yearly Statistics | ||
Monthly Maximum, Minimum, Mean/Total |
Yearly Maximum, Minimum, Mean/Total |
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Temperature °F | 74.9° on Apr 10 1:55 PM 23.2° on Apr 3 5:18 AM Mean 46.5° |
74.9° on Apr 10 1:55 PM 2.6° on Jan 31 6:51 AM Mean 35.9° |
Dew Point °F | 57.6° on Apr 10 3:22 PM 9.4° on Apr 3 3:04 PM Mean 35.8° |
60.5° on Mar 25 2:37 PM -6.3° on Mar 15 1:44 PM Mean 26.5° |
Humidity | 98% on Apr 1 3:20 AM 21% on Apr 3 2:49 PM Mean 72.1% |
98% on Jan 2 12:22 PM 21% on Mar 12 3:55 PM Mean 71.9% |
Wind Gust (mph) | NNW 51 on Apr 16 1:26 PM N 0 on Apr 2 9:48 AM Mean 360° 11.0 |
W 67 on Mar 1 11:29 PM N 0 on Jan 1 9:23 AM Mean 313° 12.0 |
Wind Speed | NNW 38 on Apr 16 1:39 PM E 0 on Apr 6 7:13 PM |
WNW 49 on Mar 1 11:36 PM NW 0 on Jan 2 3:08 PM |
Barometer | 30.313" on Apr 3 7:24 AM 29.294" on Apr 16 2:07 PM Mean 29.913" |
30.586" on Mar 21 10:18 AM 29.241" on Jan 16 11:00 PM Mean 30.007" |
Precipitation | Total 3.36" | Total 9.64" |
Evapotranspiration | Total 2.364" | Total 9.027" |
Wind Chill Gust °F | Min 9° on Apr 2 6:03 AM | Min -22° on Jan 29 8:37 AM |
Wind Chill Avg °F | Min 11° on Apr 2 6:04 AM | Min -20° on Jan 29 8:38 AM |
Heat Index °F | Max 73° on Apr 10 1:29 PM | Max 73° on Apr 10 1:29 PM |
Sunshine (W/m2) | Max 1097 on Apr 19 12:41 PM Mean 173.7 |
Max 1097 on Apr 19 12:41 PM Mean 124.1 |
Extremes are the first of multiple occurrences. |
All-Time Records | ||
Maximum, Minimum | ||
Temperature °F | 99.1° on Jul 6, 2010 1:59 PM -12.7° on Feb 14, 2016 6:43 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) | S 85 on Apr 13, 2020 2:27 PM 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 | 30.833" on Nov 25, 2015 9:00 PM 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 0.805" on Nov 12, 2008 5:00 PM | |
Wind Chill Gust °F | Min -42° on Feb 14, 2016 6:34 AM | |
Wind Chill Avg °F | Min -38° on Feb 14, 2016 6:35 AM | |
Heat Index °F | Max 112° on Jul 22, 2011 1:27 PM | |
Sunshine (W/m2) | Max 1441 on May 3, 2017 11:31 AM | |
Records begin 04/20/2004. Extremes are the first of multiple occurrences. |
Battery Status | |
Transmitters | All OK |
Console | 4.65V |
Data generated by WxSolution Version 1.9.1.8, Build 2020.02.16.