Blue Hill Meteorological Observatory

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

Wednesday, March 10, 2010
10:10:00 AM (Eastern)

69th day of the year

Updated and refreshed every 10 minutes.

Weather computer in use: Davis Vantage Pro

  Current Today's Highs and Lows
Temperature 43.2°F (6.2°C) ↑ 43.3° 10:01 AM
30.3° 6:43 AM
Dew Point 18.7°F (-7.4°C) ↓ 21.5° 9:13 AM
8.3° 2:08 AM
Humidity 37% ↓ 53% 7:57 AM
32% 2:08 AM
Wind Gust NW 12 mph NW 19 4:06 AM
NNW 0 9:24 AM
Wind Speed WNW 6 mph ↓
Light breeze (2)		 NW 14 5:49 AM
WNW 2 9:41 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 0.042"  
Barometer 30.057" (1017.9 mb)
Rising		 30.058" 9:45 AM
29.990" 12:00 AM
Wind Chill Gust 40.2°F (4.6°C) 43.1° 10:07 AM
19.0° 6:01 AM
Wind Chill Avg 39.8°F (4.3°C) 42.0° 9:41 AM
20.2° 6:26 AM
Heat Index 43°F (6.1°C) 43° 9:59 AM
30° 5:40 AM
Sunshine 608 W/m2 ↑ 610 10:08 AM
0 12:00 AM
1. Daily total rainfall.
2. Maximum and minimum rainfall are the instantaneous rainfall rates.

METAR

METAR ??? 101510Z AUTO 31005KT 06/M07 A3006 RMK AO1 SLP179 T00621074 

Alarms

None. 

Battery

Transmitters All OK
Console 4.81V

Number of Days

For March For 2010
Rain: 5
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 6
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 9 		Rain: 31
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 63
High ≤ 32°F: 22
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 68
Date of last rainfall: March 6, 2010 (4 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 28 264 4627
Cooling - Base 65°F 0 0 0

Wind Run

Today 88.3 miles
This month 2976.1 miles
This year 21836.7 miles

Sun, Moon

Twilight begins 5:47 AM
Sunrise 6:06 AM
Sunset 5:43 PM
Twilight ends 6:01 PM
Moonrise 3:24 AM
Moonset 12:53 PM

Sunshine Minutes

Sunshine intensity ≥ 120 W/m2

Today 189
This Month 4,194
This Year 22,579
Yesterday 565
One Year Ago 520

Other Calculated Parameters

Wet Bulb 34.5°F
Temperature-Humidity Index 50.5°F
Equilibrium Moisture Content 7.51 %
Mixing Ratio 2.19 g/kg
Saturated Mixing Ratio 5.97 g/kg
Air Density 1.269 kg/m3
Density Altitude -493 ft
Estimated Potential Cloud Base 5518 ft

Averages

  Last 5 minutes Current Hour Current Day
Temperature °F 43.1 43.2 34.4
Dew Point °F 17.8 18.1 13.6
Humidity 36 36.1 42.3
Wind Speed (mph) 296° 6.3 295° 6.7 321° 8.7
Precipitation (inches) 0.00 0.00 0.00
Barometer (inches Hg.) 30.057 30.057 30.015
Wind Chill °F 39.4 39.2 27.6
Heat Index °F 43.0 43.0 33.9
Sunshine 604.4 601.3 122.1

Yesterday

March 9, 2010

  Maximum
Minimum		 Mean/Total
Temperature 51.2°F 3:01 PM
33.2°F 6:08 AM		 42.2°
Dew Point 29.1°F 12:12 AM
3.3°F 6:01 PM		 17.5°
Humidity 78% 6:06 AM
17% 3:11 PM		 43.3°
Wind Gust W 33 mph 10:25 AM
ESE 0 mph 10:33 PM		 11.3 284°
Wind Speed W 25 mph 10:36 AM
S 1 mph 11:04 PM		  
Barometer 29.993" 11:45 PM
29.764" 12:00 AM		 29.873
Wind Chill Gust 50.3°F 3:13 PM
22.9°F 6:21 AM		 35.2°
Wind Chill Avg 48.3°F 3:23 PM
24.1°F 6:08 AM		  
Heat Index 51°F 3:00 PM
33°F 5:53 AM		 40.9°
Sunshine 745 W/m2 11:13 AM
0 W/m2 12:00 AM		 193.4
Degree Days Heating (Base 65°F): 23
Cooling (Base 65°F): 0
Precipitation   0.00"
Evapotranspiration   0.192"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

One Year Ago

March 10, 2009

  Maximum
Minimum		 Mean/Total
Temperature 41.1°F 2:14 PM
27.4°F 5:51 AM		 34.3°
Dew Point 37.4°F 12:18 PM
26.2°F 5:51 AM		 30.2°
Humidity 96% 12:00 AM
66% 2:18 PM		 87.0°
Wind Gust SE 24 mph 10:05 PM
ENE 0 mph 8:05 AM		 7.0 88°
Wind Speed SE 18 mph 10:06 PM
ENE 0 mph 8:07 AM		  
Barometer 30.406" 12:59 PM
30.256" 12:00 AM		 30.341
Wind Chill Gust 41.0°F 2:19 PM
17.5°F 7:46 AM		 28.4°
Wind Chill Avg 40.5°F 1:45 PM
18.5°F 7:48 AM		  
Heat Index 41°F 2:13 PM
27°F 4:55 AM		 33.4°
Sunshine 680 W/m2 11:36 AM
0 W/m2 12:00 AM		 160.5
Degree Days Heating (Base 65°F): 31
Cooling (Base 65°F): 0
Precipitation   0.47"
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 58.0° on Mar 8 1:15 PM
27.0° on Mar 6 5:22 AM
Mean 38.3°		 58.0° on Mar 8 1:15 PM
2.4° on Jan 30 6:02 AM
Mean 31.8°
Dew Point °F 37.3° on Mar 1 11:04 AM
3.3° on Mar 9 6:01 PM
Mean 25.3°		 55.7° on Jan 25 5:22 PM
-10.7° on Jan 30 4:40 AM
Mean 21.6°
Humidity 100% on Mar 3 11:49 AM
17% on Mar 9 3:11 PM
Mean 65.4%		 100% on Jan 2 5:57 PM
17% on Mar 9 3:11 PM
Mean 70.6%
Wind Gust (mph) N 46 on Mar 3 1:30 PM
ENE 0 on Mar 2 1:07 PM
Mean 310° 13.4		 ESE 64 on Jan 25 3:39 PM
W 0 on Jan 1 9:01 AM
Mean 292° 13.3
Wind Speed WNW 33 on Mar 1 9:37 AM
N 0 on Mar 6 2:55 PM		 SE 48 on Jan 25 3:41 PM
N 0 on Jan 2 5:08 PM
Barometer 30.063" on Mar 6 10:00 AM
29.316" on Mar 1 3:45 AM
Mean 29.777"		 30.283" on Jan 23 7:14 PM
28.689" on Feb 25 11:00 PM
Mean 29.778"
Precipitation Total 0.58" Total 8.02"
Evapotranspiration Total 1.057" Total 4.871"
Wind Chill Gust °F 12.9° on Mar 6 5:54 AM -22.0° on Jan 30 4:34 AM
Wind Chill Average °F 14.5° on Mar 6 5:56 AM
Mean 29.9°		 -19.3° on Jan 30 3:47 AM
Mean 21.7°
Heat Index °F 58° on Mar 8 1:15 PM
Mean 37.4°		 58° on Mar 8 1:15 PM
Mean 30.8°
Sunshine 745 W/m2 on Mar 9 11:13 AM
0 W/m2 on Mar 1 12:00 AM
Mean 129.3 W/m2		 803 W/m2 on Feb 17 11:26 AM
0 W/m2 on Jan 1 12:00 AM
Mean 93.8 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
-59.8° on Apr 5, 2007 9:49 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
NNE 0 on Apr 20, 2004 6:00 PM
Wind Speed SE 56 on Jan 18, 2006 12:32 PM
N 0 on Apr 20, 2004 5:21 PM
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 -27.1° on Jan 26, 2007 6:07 AM
Wind Chill Average °F -27.1° on Jan 22, 2005 3:53 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 20, 2004 7:33 PM
Records begin .
Extremes are the first of multiple occurrences.

 

Data generated by WxSolution Version 1.8.5.3 Beta, Build 2010.03.06.