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

 

Thursday, January 30, 2025
5:10 PM (Eastern Standard Time)
Updated every 10 minutes
 
22.3°F
 -5.4°C
Humidity49%
Dew Point6.0°F (-14.4°C)
WindW 10 G 13 mph
Wind Chill12°F
Barometer30.221" (1023.4 mb)
Solar0 W/m2
Rainfall0.00" (0.00"/hr)
webcam
Facing WNW. Updated every 15 minutes.
Source: Camnet

 

Today's Highs and Lows
Temperature 25.7°F @ 2:14 PM
16.1°F @ 6:27 AM
Dew Point 17.2°F 12:00 AM
4.5°F 1:23 PM
Humidity 77% 12:00 AM
41% 1:22 PM
Wind Gust 35 mph W @ 1:59 PM
Wind Speed 27 mph W @ 1:55 PM
Barometer 30.221" 5:09 PM
29.743" 12:03 AM
Precipitation Max 0.00"1 12:00 AM
Last 24 hours 0.00"
Storm total 0.00"
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
 
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
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)


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 44 1177 3126
Cooling - Base 65°F 0 0 0
 
Wind Run
Today 258.7 miles
This month 10073.0 miles
This year 10073.0 miles


Sun, Moon
Twilight begins 6:40 AM
Sunrise 7:00 AM
Sunset 4:54 PM
Twilight ends 5:15 PM
Moonrise 7:56 AM
Moonset 6:24 PM
 
Sunshine Minutes (intensity ≥ 120 W/m2)
Today 435
This Month 10,385
This Year 10,385
Yesterday 311
One Year Ago 198


Monthly and Yearly Statistics
  Monthly
Maximum, Minimum, Mean/Total
Yearly
Maximum, Minimum, Mean/Total
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
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) SSE 95 on Dec 19, 2023 11:31 AM
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 30.932" on Dec 14, 2024 10:03 AM
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 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

 

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