BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, MARCH 16, 2008
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 

Today's observations:
 
8 A.M. EDT
Weather: Overcast
Temperature: 33F, Dew point: 32F, Wind: N at 10G14 kt
Sea-level pressure: 29.90 inches Hg, rising
Visibility: 9 miles, hazy
6-hour min temp: 32F
24-hour precipitation: 0.26 inches  
24-hour snowfall: 1.8 inches 
BHO SA 1155 10 OVC 9 124/33/32/3610G14/990/ HAZY
TOTAL NEW SNW PST 24 HR 1.8 IN/ 8/4// 4/001 53006 70026 10033 20032
 
11 A.M. EDT
Weather: Overcast
Temperature: 35F, Dew point: 31F, Wind: NNW at 9 kt 
Sea-level pressure: 29.93 inches Hg, rising
Visibility: 9 miles
BHO SA 1455 10 OVC 9 136/35/31/3309/993/ HAZY/ 8/4// 53012
 
2 P.M. EDT
Weather: Overcast with light snow shower  
Temperature: 37F, Dew point: 31F, Wind: NNE at 8 kt 
Sea-level pressure: 29.93 inches Hg, steady
Visibility: 9 miles
BHO SA 1755 10 OVC 9SW- 136/37/31/0108/993/ 8/4// 50003 6000/ 10036 20033
 
 
WEATHER SUMMARY FOR SATURDAY, MARCH 15
 

TEMPERATURE (DEGREES F)
MAX.....37    NORMAL.....44
MIN.....32    NORMAL.....27
MEAN....35    NORMAL.....36
DEPARTURE FROM 30-YEAR NORMAL...........-1 
TOTAL DEPARTURE FOR THE MONTH..........+44 [+2.7 DEGREES/DAY]
 

HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............30  DEPARTURE........+1
TOTAL HEATING UNITS FOR THE MONTH...........424  DEPARTURE.......-48 
TOTAL HEATING UNITS FOR THE SEASON.........4672  DEPARTURE......-368 
TOTAL HEATING UNITS LAST SEASON TO DATE....4565  DIFFERENCE.....+107 
 
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............39 NNE AT  6:26 A.M.     
                   AEROVANE.............39 NNE AT  6:25 A.M.     
                   ASOS.................37 NE  AT  6:27 A.M.     
                   DAVIS................36 NNE AT  6:26 A.M.      
FASTEST MILE FOR YESTERDAY..............26 NNE AT  6:26 A.M.    
MAXIMUM 2-MINUTE ASOS AVERAGE...........24 NNE AT 11:59 A.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE..........24 NNE AT  6:28 A.M.    
AVERAGE WIND SPEED AND DIRECTION......13.3 NNE  
                   ASOS...............12.9     
                   DAVIS..............13.3 NNE [27 deg]  
 

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.26   DEPARTURE......+0.10  
                         ASOS..............0.32
TOTAL PRECIPITATION FOR THE MONTH..........4.29   DEPARTURE......+2.02 
                         ASOS..............4.29  
TOTAL PRECIPITATION FOR THE YEAR..........16.33   DEPARTURE......+5.22
                         ASOS.............18.60 #
# Includes erroneous ASOS precipitation data on 2/13/08.

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........1.8   DEPARTURE.....+1.4
TOTAL SNOWFALL FOR THE MONTH................5.7   DEPARTURE.....-0.9 
TOTAL SNOWFALL FOR THE SEASON..............65.8   DEPARTURE....+13.8 
 
PRELIMINARY CLIMATE SUMMARY FOR MARCH 2008 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available, records not finalized
 
3/1  37/20/29/-3/0.34/3.2/034/05   38 W     Aero 40 MPH W
3/2  37/23/30/-2/0/0/564/83        40 WNW 
3/3  46/24/35/+3/0/0/327/48        42 S     Aero 43 MPH S 
3/4  58/36/47/+14/0.41/0/089/13    42 S     Aero 43 MPH S
3/5  57/33/45/+12/0.31/0/199/29    45 S
3/6  46/27/37/+4/0/0/573/83        27 WSW 
3/7  44/31/38/+5/0.28/0/395/57     29 NE
3/8  61/35/48/+14/2.20/0/000/00    69 SSW   Aero 70 MPH S
3/9  47/24/36/+2/0/0/698/100       65 W     Aero 65 MPH W 
3/10 38/19/29/-5/0/0/687/98        31 W 
3/11 42/19/31/-4/0/0/.../..        31 S 
3/12 40/30/35/0/0.26/0.6/.../..    41 WNW
3/13 43/25/34/-1/T/T/.../..        31 W
3/14 53/30/42/+6/T/0/.../..        24 ENE 
3/15 37/32/35/-1/../../.../..      39 NNE
  
NEW DAILY RECORDS FOR MARCH 2008
 
3/8 PEAK WIND GUST - 69 MPH SSW; PREVIOUSLY 68e MPH NE, 1941
 
3/8 NEW RECORD MAXIMUM DAILY RAINFALL of 2.20 inches; 
the previous record was 1.73 inches in 1933. 
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR MARCH 16
HIGH 73 IN 1990
LOW 8 IN 1932
PRE 1.95 INCHES IN 1900
SNOW 10.0 INCHES IN 1896
WIND 79 MPH NE IN 1956
 
RECORDS FOR MARCH 17
HIGH 69 IN 2003
LOW 6 IN 1885
PRECIP 1.97 INCHES IN 1968
SNOWFALL 6.5 INCHES IN 1956
PEAK GUST 70 MPH SSW IN 1973

TODAY'S REPORT PREPARED By: Andrew Hoell