Blue Hill Meteorological Observatory

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

Thursday, July 2, 2009
10:10:00 PM (Eastern)

183rd day of the year

Updated and refreshed every 10 minutes.

Weather computer in use: Davis Vantage Pro

  Current Today's Highs and Lows
Temperature 60.9°F (16.1°C) 66.0° 2:03 PM
57.1° 2:34 AM
Dew Point 60.9°F (16.1°C) 66.0° 2:03 PM
56.8° 2:34 AM
Humidity 100% 100% 7:40 AM
99% 12:00 AM
Wind Gust NNW 9 mph SSW 27 8:36 AM
N 0 3:43 AM
Wind Speed NNW 5 mph ↓
Light breeze (2)		 SW 20 8:38 AM
W 0 9:18 AM
Precipitation 1.05" (26.67 mm) 1
Last 24 hours 1.05"
Instantaneous rate 0.00"/hr
Storm total 2.02"		 3.00"2 3:47 AM
0.00"2 12:00 AM
Evapotranspiration 0.031"  
Barometer 29.781" (1008.5 mb)
Rising		 29.871" 8:44 AM
29.760" 5:29 PM
Wind Chill Gust 60.6°F (15.9°C) 66.0° 2:03 PM
53.0° 3:54 AM
Wind Chill Avg 60.9°F (16.1°C) 66.0° 2:03 PM
53.8° 3:56 AM
Heat Index 60°F (15.6°C) 66° 2:03 PM
57° 1:40 AM
Sunshine 0 W/m2 431 1:24 PM
0 12:00 AM
1. Daily total rainfall.
2. Maximum and minimum rainfall are the instantaneous rainfall rates.

METAR

METAR ??? 030210Z AUTO 33004KT 16/16 A2978 RMK AO1 SLP085 T01610161 

Alarms

None. 

Battery

Transmitters All OK
Console 4.75V

Number of Days

For July For 2009
Rain: 1
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 0
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 1 		Rain: 75
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 1
Low ≤ 32°F: 77
High ≤ 32°F: 29
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 182
Date of last rainfall: July 2, 2009 (0 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

 

Degree Days

  Today Month Season
Heating - Base 65°F 3 8 8
Cooling - Base 65°F 0 0 60

Wind Run

Today 223.2 miles
This month 427.7 miles
This year 52039.9 miles

Sunrise, Sunset

Twilight begins 4:47 AM
Sunrise 5:14 AM
Sunset 8:23 PM
Twilight ends 8:49 PM

Sunshine Minutes

Sunshine intensity ≥ 120 W/m2

Today 384
This Month 607
This Year 88,910
Yesterday 223
One Year Ago 610

Other Calculated Parameters

Wet Bulb 60.9°F
Temperature-Humidity Index 60.9°F
Equilibrium Moisture Content 17.34 %
Mixing Ratio 11.67 g/kg
Saturated Mixing Ratio 11.67 g/kg
Air Density 1.215 kg/m3
Density Altitude 1199 ft
Estimated Potential Cloud Base 0 ft

Averages

  Last 5 minutes Current Hour Current Day
Temperature °F 60.9 60.9 60.8
Dew Point °F 60.9 60.9 60.7
Humidity 100 100.0 99.6
Wind Speed (mph) 331° 5.0 327° 5.7 28° 10.1
Precipitation (inches) 0.01 0.01 1.05
Barometer (inches Hg.) 29.781 29.781 29.810
Wind Chill °F 60.8 60.7 59.4
Heat Index °F 60.0 60.0 60.3
Sunshine 0.0 0.0 65.7

Yesterday

July 1, 2009

  Maximum
Minimum		 Mean/Total
Temperature 61.9°F 4:02 PM
57.7°F 2:28 AM		 59.8°
Dew Point 61.6°F 4:02 PM
57.1°F 2:28 AM		 58.6°
Humidity 99% 8:16 AM
98% 12:00 AM		 98.6°
Wind Gust NNE 21 mph 5:19 PM
N 0 mph 12:30 AM		 8.5 36°
Wind Speed NNE 16 mph 5:21 PM
NNE 0 mph 3:49 PM		  
Barometer 29.863" 3:29 PM
29.719" 12:00 AM		 29.798
Wind Chill Gust 61.9°F 4:02 PM
54.7°F 12:03 PM		 57.7°
Wind Chill Avg 61.9°F 4:02 PM
55.2°F 1:01 AM		  
Heat Index 61°F 3:25 PM
57°F 12:00 AM		 58.6°
Sunshine 315 W/m2 8:52 AM
0 W/m2 12:00 AM		 53.5
Degree Days Heating (Base 65°F): 5
Cooling (Base 65°F): 0
Precipitation   0.55"
Evapotranspiration   0.093"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

One Year Ago

July 2, 2008

  Maximum
Minimum		 Mean/Total
Temperature 82.2°F 12:28 PM
62.2°F 3:37 PM		 72.2°
Dew Point 69.0°F 9:58 AM
55.8°F 3:49 PM		 64.5°
Humidity 96% 6:19 AM
53% 12:40 PM		 84.4°
Wind Gust S 49 mph 3:13 PM
SSW 0 mph 7:15 AM		 9.4 214°
Wind Speed W 32 mph 2:51 PM
SW 0 mph 8:34 AM		  
Barometer 29.952" 8:29 AM
29.889" 4:44 PM		 29.925
Wind Chill Gust 82.2°F 12:28 PM
58.9°F 3:30 PM		 69.5°
Wind Chill Avg 82.2°F 12:28 PM
59.6°F 3:29 PM		  
Heat Index 85°F 12:23 PM
62°F 3:26 PM		 69.8°
Sunshine 1139 W/m2 12:36 PM
0 W/m2 12:00 AM		 239.9
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 7
Precipitation   0.98"
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 66.0° on Jul 2 2:03 PM
57.1° on Jul 2 2:34 AM
Mean 60.7°		 90.5° on Apr 28 2:06 PM
2.2° on Jan 17 7:08 AM
Mean 45.6°
Dew Point °F 66.0° on Jul 2 2:03 PM
56.8° on Jul 2 2:34 AM
Mean 58.6°		 71.7° on Jun 29 2:01 PM
-7.2° on Jan 17 7:08 AM
Mean 36.7°
Humidity 100% on Jul 2 7:40 AM
98% on Jul 1 12:00 AM
Mean 98.6%		 100% on Jan 11 8:28 PM
18% on May 21 2:32 PM
Mean 75.1%
Wind Gust (mph) SSW 27 on Jul 2 8:36 AM
N 0 on Jul 1 12:30 AM
Mean 36° 8.5		 S 56 on May 14 6:14 PM
SW 0 on Jan 6 11:27 AM
Mean 249° 11.4
Wind Speed SW 20 on Jul 2 8:38 AM
NNE 0 on Jul 1 3:49 PM		 S 41 on Feb 27 1:32 PM
N 0 on Jan 1 12:23 PM
Barometer 29.871" on Jul 2 8:44 AM
29.719" on Jul 1 12:00 AM
Mean 29.798"		 30.573" on Mar 13 9:44 AM
29.003" on Jan 7 10:59 PM
Mean 29.950"
Precipitation Total 1.60" Total 18.06"
Evapotranspiration Total 0.093" Total 24.684"
Wind Chill Gust °F 53.0° on Jul 2 3:54 AM -23.4° on Jan 1 4:14 AM
Wind Chill Average °F 53.8° on Jul 2 3:56 AM
Mean 57.7°		 -20.6° on Jan 1 5:17 AM
Mean 39.5°
Heat Index °F 66° on Jul 2 2:03 PM
Mean 58.6°		 89° on Apr 28 1:28 PM
Mean 44.6°
Sunshine 431 W/m2 on Jul 2 1:24 PM
0 W/m2 on Jul 1 12:00 AM
Mean 53.5 W/m2		 1283 W/m2 on Jun 25 12:17 PM
0 W/m2 on Jan 1 12:00 AM
Mean 136.3 W/m2
Extremes are the first of multiple occurrences.

All-Time Records

  Maximum, Minimum
Temperature °F 96.8° on Jun 10, 2008 1:46 PM
-5.9° on Jan 22, 2005 7:10 AM
Dew Point °F 79.4° on Jul 18, 2005 1:02 PM
-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
28.699" on Nov 22, 2005 2:44 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 108° on Aug 2, 2006 3:27 PM
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 1.8.4, Build 2008.12.15.