Blue Hill Meteorological Observatory
42° 12' 44"N, 71° 06' 53"W, Elevation 635 feet
Milton, Massachusetts USA

 

Monday, December 10, 2018
7:50 PM (Eastern Standard Time)
Updated every 10 minutes
 
Fair
25.9°F
 -3.4°C
Humidity60%
Dew Point13.9°F (-10.0°C)
WindN 8 G 13 mph
Wind Chill17°F
Barometer30.178" (1022.0 mb)
Solar0 W/m2
Rainfall0.00" (0.00"/hr)
webcam
Facing WNW. Updated every 15 minutes.
Source: Camnet

 

Today's Highs and Lows
Temperature 35.4°F 11:57 AM
22.4°F 12:57 AM
Dew Point 20.7°F 11:17 AM
13.7°F 7:41 PM
Humidity 79% 6:59 AM
49% 2:52 PM
Wind Gust NNW 23 mph 9:20 AM
N 1 mph 11:51 AM
Wind Speed NW 16 mph 1:15 AM
NW 2 mph 2:33 PM
Barometer 30.181" 7:40 PM
30.076" 4:40 AM
Precipitation Max rate1 0.00" 12:00 AM
Last 24 hours 0.00"
Storm total 0.00"
Evapotranspiration 0.053"
Wind Chill Gust Min 8°F 5:51 AM
Wind Chill Avg Min 10°F 1:15 AM
Heat Index Max 35°F 11:48 AM
Sunshine Max 396 W/m2 11:27 AM
1. Instantaneous rainfall rate.


Forecast
Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours.


Number of Days
For December For 2018
Rain: 1
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 8
High ≤ 32°F: 2
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Rain: 154
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 14
Low ≤ 32°F: 112
High ≤ 32°F: 27
Low ≤ 0°F: 4
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: December 2, 2018 (8 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 36 334 1658
Cooling - Base 65°F 0 0 867
 
Wind Run
Today 202.1 miles
This month 2549.6 miles
This year 87981.9 miles


Sun, Moon
Twilight begins 6:41 AM
Sunrise 7:03 AM
Sunset 4:10 PM
Twilight ends 4:33 PM
Moonrise 9:39 AM
Moonset 7:17 PM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 400
This Month 3,350
This Year 159,162
Yesterday 405
One Year Ago 371


Yesterday December 9, 2018
  Maximum, Minimum Mean/Total
Temperature 32.6°F 1:21 PM
16.9°F 4:32 AM
24.8°
Dew Point 20.1°F 11:54 AM
7.0°F 12:59 AM
15.9°
Humidity 84% 4:36 AM
58% 12:59 AM
70.4%
Wind Gust W 23 mph 1:43 PM
W 3 mph 6:50 AM
11.6 258°
Wind Speed WSW 17 mph 3:08 PM
WSW 5 mph 10:19 AM
 
Barometer 30.519" 1:27 AM
30.148" 11:57 PM
30.356
Wind Chill Gust Min 1°F 3:12 AM
Wind Chill Avg Min 3°F 3:23 AM
Heat Index Max 32°F 12:42 PM
Sunshine Max 396 W/m2 11:38 AM 73.2
Degree Days Heating (Base 65°F): 40
Cooling (Base 65°F): 0
Precipitation   0.00"
Evapotranspiration   0.054"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"


Monthly and Yearly Statistics
  Monthly
Maximum, Minimum, Mean/Total
Yearly
Maximum, Minimum, Mean/Total
Temperature °F 53.9° on Dec 3 11:31 AM
14.6° on Dec 8 6:54 AM
Mean 31.3°
94.8° on Jul 3 2:58 PM
-7.5° on Jan 7 6:47 AM
Mean 50.1°
Dew Point °F 51.4° on Dec 2 4:46 PM
5.0° on Dec 8 11:30 PM
Mean 23.7°
78.8° on Jul 3 5:53 PM
-17.4° on Jan 7 6:51 AM
Mean 42.1°
Humidity 99% on Dec 2 8:00 PM
40% on Dec 7 2:31 PM
Mean 72.9%
100% on Aug 14 5:37 AM
17% on Apr 22 3:23 PM
Mean 76.9%
Wind Gust (mph) WNW 37 on Dec 3 12:44 PM
N 0 on Dec 1 9:10 AM
Mean 291° 10.9
NW 66 on Mar 2 6:12 PM
S 0 on Jan 3 11:59 PM
Mean 202° 10.7
Wind Speed W 28 on Dec 3 12:46 PM
WSW 0 on Dec 1 1:42 PM
W 47 on Nov 3 2:15 PM
N 0 on Jan 4 10:43 AM
Barometer 30.519" on Dec 9 1:27 AM
29.501" on Dec 3 12:17 PM
Mean 30.080"
30.815" on Feb 13 8:59 AM
28.821" on Jan 4 4:45 PM
Mean 30.047"
Precipitation Total 0.61" Total 47.91"
Evapotranspiration Total 0.539" Total 35.634"
Wind Chill Gust °F Min 1° on Dec 8 7:02 AM Min -31° on Jan 1 5:05 AM
Wind Chill Avg °F Min 3° on Dec 9 3:23 AM Min -28° on Jan 1 7:06 AM
Heat Index °F Max 53° on Dec 3 11:05 AM Max 110° on Jul 3 3:10 PM
Sunshine (W/m2) Max 527 on Dec 1 11:17 AM
Mean 71.2
Max 1285 on Jun 14 11:10 AM
Mean 141.6
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 79.4° on Jul 18, 2005 1:02 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 77 on Jan 31, 2013 4:42 AM
ESE 0 on Apr 21, 2004 1:52 AM
Wind Speed SE 56 on Jan 18, 2006 12:32 PM
SSW 0 on Apr 21, 2004 2:06 AM
Barometer 30.833" on Nov 25, 2015 9:00 PM
28.689" on Feb 25, 2010 11:00 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 4.75V

 

Data generated by WxSolution Version 1.9.1.5, Build 2018.05.20.