Blue Hill Meteorological Observatory

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

Saturday, July 31, 2010
10:40:00 AM (Eastern)

212nd day of the year

Updated and refreshed every 10 minutes.

Weather computer in use: Davis Vantage Pro

  Current Today's Highs and Lows
Temperature 71.5°F (21.9°C) ↑ 71.6° 10:34 AM
56.0° 5:58 AM
Dew Point 48.5°F (9.1°C) ↑ 56.5° 12:11 AM
46.3° 9:36 AM
Humidity 44% 84% 1:49 AM
43% 10:29 AM
Wind Gust N 13 mph N 19 4:11 AM
NNW 0 7:47 AM
Wind Speed NE 8 mph ↑
Gentle breeze (3)		 N 13 3:49 AM
NNE 1 10:00 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 0.051"  
Barometer 29.940" (1013.9 mb)
Rising		 29.941" 9:44 AM
29.891" 12:00 AM
Wind Chill Gust 71.5°F (21.9°C) 71.6° 10:34 AM
53.0° 6:06 AM
Wind Chill Avg 71.5°F (21.9°C) 71.6° 10:34 AM
53.6° 5:30 AM
Heat Index 69°F (20.6°C) 69° 9:26 AM
56° 4:55 AM
Sunshine 754 W/m2 ↑ 756 10:36 AM
0 12:00 AM
1. Daily total rainfall.
2. Maximum and minimum rainfall are the instantaneous rainfall rates.

METAR

METAR BHOWXSLN 311440Z AUTO 06007KT 22/09 A2994 RMK AO1 SLP139 T02190091 

Alarms

None. 

Battery

Transmitters All OK
Console 4.78V

Number of Days

For July For 2010
Rain: 7
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 11
Low ≤ 32°F: 0
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 30 		Rain: 84
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 15
Low ≤ 32°F: 68
High ≤ 32°F: 22
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 211
Date of last rainfall: July 29, 2010 (2 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 1 3 3
Cooling - Base 65°F 0 359 576

Wind Run

Today 82.5 miles
This month 7365.0 miles
This year 60315.9 miles

Sun, Moon

Twilight begins 5:14 AM
Sunrise 5:37 AM
Sunset 8:03 PM
Twilight ends 8:27 PM
Moonrise 10:14 PM
Moonset 11:03 AM

Sunshine Minutes

Sunshine intensity ≥ 120 W/m2

Today 220
This Month 3,786
This Year 90,134
Yesterday 726
One Year Ago 431

Other Calculated Parameters

Wet Bulb 58.2°F
Temperature-Humidity Index 75.8°F
Equilibrium Moisture Content 8.22 %
Mixing Ratio 7.33 g/kg
Saturated Mixing Ratio 16.89 g/kg
Air Density 1.197 kg/m3
Density Altitude 1611 ft
Estimated Potential Cloud Base 5183 ft

Averages

  Last 5 minutes Current Hour Current Day
Temperature °F 71.5 70.7 61.6
Dew Point °F 48.0 48.4 50.4
Humidity 43 45.2 67.9
Wind Speed (mph) 44° 6.8 43° 6.6 1° 7.7
Precipitation (inches) 0.00 0.00 0.00
Barometer (inches Hg.) 29.940 29.940 29.916
Wind Chill °F 71.5 70.7 60.6
Heat Index °F 69.0 68.4 61.0
Sunshine 752.8 719.3 165.8

Yesterday

July 30, 2010

  Maximum
Minimum		 Mean/Total
Temperature 82.2°F 2:35 PM
58.8°F 6:00 AM		 70.5°
Dew Point 56.2°F 10:06 PM
47.2°F 11:33 AM		 51.5°
Humidity 78% 11:54 PM
33% 2:36 PM		 53.8°
Wind Gust W 24 mph 4:14 PM
NNW 0 mph 7:25 AM		 7.9 314°
Wind Speed W 17 mph 4:07 PM
WNW 0 mph 6:56 PM		  
Barometer 29.891" 11:59 PM
29.811" 4:44 PM		 29.843
Wind Chill Gust 82.2°F 2:35 PM
56.3°F 6:04 AM		 69.9°
Wind Chill Avg 82.2°F 2:35 PM
56.7°F 6:05 AM		  
Heat Index 81°F 2:33 PM
58°F 5:51 AM		 68.8°
Sunshine 1116 W/m2 1:26 PM
0 W/m2 12:00 AM		 272.4
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 6
Precipitation   0.00"
Evapotranspiration   0.243"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

One Year Ago

July 31, 2009

  Maximum
Minimum		 Mean/Total
Temperature 79.6°F 10:07 AM
66.2°F 5:47 PM		 72.9°
Dew Point 74.2°F 4:33 PM
58.7°F 1:54 AM		 66.2°
Humidity 98% 9:06 PM
66% 1:20 AM		 87.1°
Wind Gust WNW 39 mph 5:15 PM
W 0 mph 7:17 PM		 10.4 200°
Wind Speed WNW 30 mph 5:16 PM
N 0 mph 10:40 PM		  
Barometer 29.901" 3:14 AM
29.727" 3:59 PM		 29.844
Wind Chill Gust 79.6°F 10:07 AM
64.9°F 5:34 PM		 70.4°
Wind Chill Avg 79.6°F 10:07 AM
65.4°F 5:35 PM		  
Heat Index 84°F 10:03 AM
66°F 5:29 PM		 70.8°
Sunshine 856 W/m2 10:01 AM
0 W/m2 12:00 AM		 85.7
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 8
Precipitation   0.01"
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 99.1° on Jul 6 1:59 PM
52.4° on Jul 1 5:59 AM
Mean 76.1°		 99.1° on Jul 6 1:59 PM
2.4° on Jan 30 6:02 AM
Mean 51.2°
Dew Point °F 75.1° on Jul 16 5:59 PM
43.9° on Jul 1 12:59 AM
Mean 63.5°		 75.8° on Jun 20 4:10 PM
-10.7° on Jan 30 4:40 AM
Mean 39.6°
Humidity 99% on Jul 14 8:59 PM
26% on Jul 4 12:59 PM
Mean 70.1%		 100% on Jan 2 5:57 PM
13% on Apr 14 5:53 PM
Mean 70.4%
Wind Gust (mph) WNW 37 on Jul 22 11:59 AM
W 0 on Jul 1 12:59 AM
Mean 236° 10.1		 SSW 67 on Jun 20 2:55 PM
W 0 on Jan 1 9:01 AM
Mean 271° 11.9
Wind Speed S 28 on Jul 28 5:05 PM
N 0 on Jul 1 12:59 AM		 SE 48 on Jan 25 3:41 PM
N 0 on Jan 2 5:08 PM
Barometer 30.147" on Jul 2 8:59 AM
29.632" on Jul 25 3:59 AM
Mean 29.883"		 30.507" on Apr 14 9:59 AM
28.689" on Feb 25 11:00 PM
Mean 29.851"
Precipitation Total 1.23" Total 31.09"
Evapotranspiration Total 6.972" Total 34.859"
Wind Chill Gust °F 49.3° on Jul 1 5:59 AM -22.0° on Jan 30 4:34 AM
Wind Chill Average °F 49.3° on Jul 1 5:59 AM
Mean 75.2°		 -19.3° on Jan 30 3:47 AM
Mean 45.4°
Heat Index °F 104° on Jul 6 11:59 AM
Mean 76.1°		 104° on Jul 6 11:59 AM
Mean 50.1°
Sunshine 1162 W/m2 on Jul 29 11:58 AM
0 W/m2 on Jul 1 12:59 AM
Mean 241.4 W/m2		 1262 W/m2 on Jun 1 11:45 AM
0 W/m2 on Jan 1 12:00 AM
Mean 169.3 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 -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 21, 2004 12:00 AM
Records begin .
Extremes are the first of multiple occurrences.

 

Data generated by WxSolution Version 1.8.5.3, Build 2010.04.13.