Blue Hill Meteorological Observatory

42° 12' 44"N, 71° 06' 53"W, Elevation 635 ft.

Saturday, February 4, 2012
2:10:00 PM (Eastern)

35th day of the year

Updated and refreshed every 10 minutes.

Weather computer in use: Davis Vantage Pro

  Current Today's Highs and Lows
Temperature 40.5°F (4.7°C) ↑ 42.2° 12:38 PM
29.3° 5:51 AM
Dew Point 20.8°F (-6.2°C) ↓ 26.6° 9:39 AM
19.3° 1:51 PM
Humidity 45% ↓ 75% 6:23 AM
42% 1:51 PM
Wind Gust NNW 17 mph WNW 29 10:52 AM
W 1 9:34 AM
Wind Speed NW 11 mph ↓
Gentle breeze (3)
WNW 21 10:43 AM
WNW 4 11:40 AM
Precipitation 0.00" (0.00 mm) 1
Last 24 hours 0.00"
Instantaneous rate 0.00"/hr
Storm total 0.00"
0.00"2 12:00 AM
0.00"2 12:00 AM
Evapotranspiration 0.060"  
Barometer 30.084" (1018.8 mb)
Falling
30.247" 12:00 AM
30.084" 1:46 PM
Wind Chill Gust 33°F (1°C) 41° 12:46 PM
17° 6:47 AM
Wind Chill Avg 34°F (1°C) 37° 12:46 PM
18° 6:51 AM
Heat Index 40°F (4.4°C) 42° 12:35 PM
29° 5:24 AM
Sunshine 279 W/m2 675 12:28 PM
0 12:00 AM
1. Daily total rainfall.
2. Maximum and minimum rainfall are the instantaneous rainfall rates.

METAR

METAR BHOWXSLN 041910Z AUTO 33010KT 05/M06 A3008 RMK AO1 SLP188 T00471062 

Alarms

None. 

Battery

Transmitters All OK
Console 4.69V

Number of Days

For February For 2012
Rain: 0
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 3
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Rain: 12
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 30
High ≤ 32°F: 8
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: January 27, 2012 (8 days)

Observed Conditions

Precipitation types none
Snowfall today 0.0 inches
Snow on the ground 0 inches
Snowfall this season 0.0 inches

Observer Notes for Today

None. 

Degree Days

  Today Month Season
Heating - Base 65°F 29 114 2905
Cooling - Base 65°F 0 0 0

Wind Run

Today 167.6 miles
This month 924.2 miles
This year 9814.5 miles

Sun, Moon

Twilight begins 6:36 AM
Sunrise 6:56 AM
Sunset 5:00 PM
Twilight ends 5:20 PM
Moonrise 1:55 PM
Moonset 4:20 AM

Sunshine Minutes

Sunshine intensity ≥ 120 W/m2

Today 370
This Month 678
This Year 10,001
Yesterday 308
One Year Ago 451

Other Calculated Parameters

Wet Bulb 33.4°F
Temperature-Humidity Index 44.4°F
Equilibrium Moisture Content 8.83 %
Mixing Ratio 2.40 g/kg
Saturated Mixing Ratio 5.37 g/kg
Air Density 1.277 kg/m3
Density Altitude -704 ft
Estimated Potential Cloud Base 4427 ft

Averages

  Last 5 minutes Current Hour Current Day
Temperature °F 40.5 40.6 34.1
Dew Point °F 20.7 20.7 22.7
Humidity 45 44.6 63.5
Wind Speed (mph) 325° 10.2 328° 9.9 280° 11.8
Precipitation (inches) 0.00 0.00 0.00
Barometer (inches Hg.) 30.084 30.084 30.177
Wind Chill °F 34.4 34.6 25.7
Heat Index °F 40.0 40.0 33.6
Sunshine 250.3 272.7 149.1

Yesterday

February 3, 2012

  Maximum
Minimum
Mean/Total
Temperature 36.6°F 2:55 PM
21.9°F 7:10 AM
29.3°
Dew Point 22.5°F 12:00 AM
8.9°F 2:24 PM
15.6°
Humidity 78% 12:00 AM
32% 2:24 PM
58.2°
Wind Gust WNW 27 mph 3:43 PM
NNW 1 mph 5:06 AM
10.4 311°
Wind Speed WNW 19 mph 3:26 PM
NW 4 mph 2:54 AM
 
Barometer 30.339" 10:16 AM
30.146" 12:00 AM
30.266
Wind Chill Gust 36°F 3:05 PM
7°F 7:19 AM
20.4°
Wind Chill Avg 30°F 2:59 PM
8°F 7:19 AM
 
Heat Index 36°F 2:21 PM
21°F 7:10 AM
28.8°
Sunshine 501 W/m2 12:01 PM
0 W/m2 12:00 AM
116.9
Degree Days Heating (Base 65°F): 35
Cooling (Base 65°F): 0
Precipitation   0.00"
Evapotranspiration   0.081"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

One Year Ago

February 4, 2011

  Maximum
Minimum
Mean/Total
Temperature 31.9°F 1:01 PM
13.2°F 3:16 AM
22.5°
Dew Point 19.4°F 6:02 PM
8.2°F 6:53 AM
14.0°
Humidity 84% 12:00 AM
46% 11:20 AM
70.8°
Wind Gust W 31 mph 10:37 AM
SW 2 mph 12:45 PM
13.0 248°
Wind Speed W 23 mph 11:21 AM
SSW 7 mph 12:46 PM
 
Barometer 30.276" 12:00 AM
30.013" 3:00 PM
30.129
Wind Chill Gust 30°F 12:45 PM
-5°F 6:40 AM
10.4°
Wind Chill Avg 25°F 12:46 PM
-3°F 7:23 AM
 
Heat Index 31°F 12:32 PM
13°F 2:29 AM
21.9°
Sunshine 538 W/m2 11:45 AM
0 W/m2 12:00 AM
126.2
Degree Days Heating (Base 65°F): 42
Cooling (Base 65°F): 0
Precipitation   0.00"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

Monthly and Yearly Statistics

  Monthly
Maximum, Minimum, Mean/Total
Yearly
Maximum, Minimum, Mean/Total
Temperature °F 57.4° on Feb 1 2:53 PM
21.9° on Feb 3 7:10 AM
Mean 36.0°
58.0° on Jan 7 1:55 PM
4.1° on Jan 15 7:17 AM
Mean 33.7°
Dew Point °F 43.0° on Feb 1 3:06 PM
8.9° on Feb 3 2:24 PM
Mean 27.3°
50.9° on Jan 24 1:11 AM
-5.1° on Jan 15 9:05 AM
Mean 24.9°
Humidity 100% on Feb 1 1:44 AM
32% on Feb 3 2:24 PM
Mean 72.2%
100% on Jan 2 12:21 AM
32% on Feb 3 2:24 PM
Mean 72.2%
Wind Gust (mph) WNW 40 on Feb 1 9:10 PM
E 0 on Feb 1 12:33 AM
Mean 300° 10.5
SW 64 on Jan 13 12:04 PM
WNW 0 on Jan 1 11:15 AM
Mean 278° 11.2
Wind Speed WNW 26 on Feb 1 9:10 PM
SE 1 on Feb 1 2:46 AM
SSW 45 on Jan 13 12:08 PM
N 0 on Jan 2 2:34 PM
Barometer 30.339" on Feb 3 10:16 AM
29.743" on Feb 1 2:46 PM
Mean 30.039"
30.566" on Jan 16 9:30 AM
29.150" on Jan 13 12:00 PM
Mean 29.994"
Precipitation Total 0.00" Total 2.49"
Evapotranspiration Total 0.229" Total 2.324"
Wind Chill Gust °F 7° on Feb 3 7:19 AM -19° on Jan 15 7:18 AM
Wind Chill Average °F 8° on Feb 3 7:19 AM
Mean 28.8°
-17° on Jan 15 7:21 AM
Mean 25.5°
Heat Index °F 57° on Feb 1 2:30 PM
Mean 35.6°
58° on Jan 7 1:55 PM
Mean 33.1°
Sunshine 675 W/m2 on Feb 4 12:28 PM
0 W/m2 on Feb 1 12:00 AM
Mean 66.3 W/m2
684 W/m2 on Jan 22 10:25 AM
0 W/m2 on Jan 1 12:00 AM
Mean 66.6 W/m2
Extremes are the first of multiple occurrences.

All-Time Records

  Maximum, Minimum
Temperature °F 126.0° on Nov 23, 2009 1:41 AM
-5.9° on Jan 22, 2005 7:10 AM
Dew Point °F 117.5° on Nov 23, 2009 1:41 AM
-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) SE 75 on Jan 18, 2006 12:40 PM
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 30.807" on Mar 21, 2007 8:14 AM
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: 65.534" on Nov 26, 2004 1:01 AM
Wind Chill Gust °F -31° on Jan 24, 2011 8:24 AM
Wind Chill Average °F -31° on Jan 24, 2011 8:24 AM
Heat Index °F 140° on Nov 20, 2009 5:55 AM
Sunshine 1334 W/m2 on Jul 6, 2006 12:23 PM
0 W/m2 on Apr 21, 2004 12:00 AM
Records begin 04/20/2004.
Extremes are the first of multiple occurrences.

 

Data generated by WxSolution Version 1.8.5.7, Build 2011.03.06.