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

 

Monday, December 11, 2017
7:50 AM (Eastern Standard Time)
Updated every 10 minutes
 
29.0°F
 -1.7°C
Humidity80%
Dew Point23.6°F (-4.7°C)
WindSW 9 G 17 mph
Wind Chill20°F
Barometer29.968" (1014.9 mb)
Solar16 W/m2
Rainfall0.00" (0.00"/hr)
webcam
Facing WNW. Updated every 15 minutes.
Source: Camnet

 

Today's Highs and Lows
Temperature 30.6°F 12:01 AM
28.8°F 5:12 AM
Dew Point 24.2°F 1:27 AM
23.1°F 5:12 AM
Humidity 80% 5:09 AM
76% 12:00 AM
Wind Gust WSW 19 mph 12:26 AM
SW 3 mph 3:34 AM
Wind Speed SW 14 mph 12:28 AM
WSW 7 mph 7:19 AM
Barometer 29.968" 7:45 AM
29.926" 4:00 AM
Precipitation Max 0.00"1 12:00 AM
Last 24 hours 0.20"
Storm total 0.20"
Evapotranspiration 0.007"
Wind Chill Gust Min 16°F 5:51 AM
Wind Chill Avg Min 18°F 5:52 AM
Heat Index Max 30°F 12:00 AM
Sunshine Max 16 W/m2 7:16 AM
1. Instantaneous rainfall rate.


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


Number of Days
For December For 2017
Rain: 4
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 8
High ≤ 32°F: 1
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Rain: 141
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 7
Low ≤ 32°F: 91
High ≤ 32°F: 19
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: December 10, 2017 (1 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 35 345 1325
Cooling - Base 65°F 0 0 732
 
Wind Run
Today 82.5 miles
This month 2448.7 miles
This year 84397.5 miles


Sun, Moon
Twilight begins 6:42 AM
Sunrise 7:04 AM
Sunset 4:10 PM
Twilight ends 4:33 PM
Moonrise 12:19 AM
Moonset 12:56 PM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 0
This Month 2,466
This Year 160,358
Yesterday 371
One Year Ago 375


Yesterday December 10, 2017
  Maximum, Minimum Mean/Total
Temperature 34.5°F 1:51 PM
26.4°F 8:05 AM
30.5°
Dew Point 28.5°F 11:45 AM
23.0°F 9:36 PM
25.8°
Humidity 96% 12:00 AM
72% 2:58 PM
85.8%
Wind Gust WNW 29 mph 2:28 PM
NNW 4 mph 1:13 AM
11.2 271°
Wind Speed W 21 mph 2:59 PM
NW 5 mph 3:48 AM
 
Barometer 29.955" 10:15 PM
29.589" 12:15 AM
29.778
Wind Chill Gust Min 14°F 7:58 AM
Wind Chill Avg Min 16°F 7:59 AM
Heat Index Max 34°F 1:32 PM
Sunshine Max 584 W/m2 10:24 AM 94.5
Degree Days Heating (Base 65°F): 34
Cooling (Base 65°F): 0
Precipitation   0.20"
Evapotranspiration   0.044"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"


Monthly and Yearly Statistics
  Monthly
Maximum, Minimum, Mean/Total
Yearly
Maximum, Minimum, Mean/Total
Temperature °F 57.9° on Dec 5 11:21 PM
26.4° on Dec 10 8:05 AM
Mean 36.4°
95.7° on May 18 2:04 PM
3.5° on Jan 9 7:31 AM
Mean 51.3°
Dew Point °F 55.2° on Dec 5 11:13 PM
17.7° on Dec 9 6:58 AM
Mean 29.5°
76.8° on Jul 19 10:53 AM
-13.1° on Mar 6 2:24 PM
Mean 42.2°
Humidity 98% on Dec 5 5:39 PM
45% on Dec 7 1:56 PM
Mean 76.7%
100% on Sep 20 1:11 AM
10% on Mar 6 2:24 PM
Mean 74.4%
Wind Gust (mph) S 69 on Dec 5 11:06 PM
N 0 on Dec 2 10:45 AM
Mean 276° 9.9
SE 74 on Oct 30 12:38 AM
SE 0 on Jan 2 5:01 AM
Mean 270° 10.2
Wind Speed S 46 on Dec 5 11:14 PM
NNE 0 on Dec 2 1:51 PM
SE 49 on Oct 30 12:39 AM
N 0 on Jan 1 2:16 PM
Barometer 30.488" on Dec 4 10:45 PM
29.589" on Dec 10 12:15 AM
Mean 30.052"
30.720" on Jan 9 6:59 PM
28.870" on Mar 14 7:00 PM
Mean 29.984"
Precipitation Total 0.84" Total 40.41"
Evapotranspiration Total 0.436" Total 38.338"
Wind Chill Gust °F Min 14° on Dec 10 7:58 AM Min -20° on Mar 5 1:33 AM
Wind Chill Avg °F Min 16° on Dec 10 7:59 AM Min -18° on Mar 5 1:34 AM
Heat Index °F Max 57° on Dec 5 10:27 PM Max 100° on Jun 13 12:09 PM
Sunshine (W/m2) Max 584 on Dec 10 10:24 AM
Mean 53.6
Max 1441 on May 3 11:31 AM
Mean 142.1
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 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 4.55V

 

Data generated by WxSolution Version 1.9.0.6, Build 2017.01.14.