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
Humidity46%
Dew Point41.5°F (5.3°C)
WindSW 14 G 24 mph
Wind Chill61°F
Barometer29.899" (1012.5 mb)
Solar619 W/m2
Rainfall0.00" (0.00"/hr)
webcam
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
Dew Point 45.0°F 8:21 AM
39.6°F 9:01 AM
Humidity 83% 4:32 AM
44% 9:01 AM
Wind Gust WSW 26 mph 8:56 AM
WSW 3 mph 7:18 AM
Wind Speed WSW 19 mph 8:56 AM
WSW 6 mph 7:07 AM
Barometer 29.905" 8:52 AM
29.842" 1:33 AM
Precipitation Max rate1 0.00" 12:00 AM
Last 24 hours 0.00"
Storm total 0.00"
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)


Observed Conditions
Precipitation types none
Snowfall today 0.0 inches
Snow on the ground 0 inches
Snowfall this season 0.0 inches
 
Degree Days
  Today Month Season
Heating - Base 65°F 11 363 5190
Cooling - Base 65°F 0 0 0
 
Wind Run
Today 112.6 miles
This month 5108.0 miles
This year 31706.8 miles


Sun, Moon
Twilight begins 4:36 AM
Sunrise 4:56 AM
Sunset 6:29 PM
Twilight ends 6:50 PM
Moonrise 10:53 AM
Moonset 1:38 AM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 193
This Month 10,335
This Year 44,710
Yesterday 611
One Year Ago 614


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
 
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
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
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
Dew Point °F 81.5° on Jul 20, 2019 1:48 PM
-79.1° on Nov 26, 2009 3:18 AM
Humidity 100% on Apr 24, 2004 7:18 AM
0% on Apr 5, 2007 8:24 AM
Wind Gust (mph) S 85 on Apr 13, 2020 2:27 PM
ESE 0 on Apr 21, 2004 1:52 AM
Wind Speed S 57 on Apr 13, 2020 3:38 PM
SSW 0 on Apr 21, 2004 2:06 AM
Barometer 30.833" on Nov 25, 2015 9:00 PM
28.675" on Feb 7, 2020 2:58 PM
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.