BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, MARCH 28, 2008
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
Today's observations:
 
8 A.M. EDT
Weather: Obscurement with fog, light rain
Temperature: 35F, Dew point: 35F  Wind: NE at 11 kts 
Sea-level pressure: 29.86 inches Hg, falling
Visibility: 1/16 mile
6-hour min temp: 35F
24-hour precipitation: 0.10 in.
BHO SA 1155 W1 X 1/16R-F 113/35/35/0511/986/ 8//// 58013 
MANUAL 60XX/ ASOS 60009 MANUAL 70010 ASOS 70009 10040 20035
 
11 A.M. EDT
Weather: Obscurement with fog, light rain
Temperature: 35F, Dew point: 35F, Wind: NNE at 10 kts
Sea-level pressure: 29.85 inches Hg, falling
Visibility: 0 miles
3-hour precipitation: 0.03 in.
BHO SA 1455 W1 X 0R-F 109/35/35/0210/985/ 8//// 55004 
MANUAL 6003/ ASOS 60005 
  
2 P.M. EDT
Weather: Obscurement with fog
Temperature: 34F, Dew point: 34F, Wind: N at 11 kts
Sea-level pressure: 29.83 inches Hg, falling
Visibility: 1/16 mile   
6-hourly max. temp. 35F
6-hour precipitation: 0.13 in.
BHO SA 1755 W1 X 1/16F 101/34/34/3611/983/ 8//// 58008
MANUAL 6013/ ASOS 60015 10035 20034
 
WEATHER SUMMARY FOR THURSDAY, MARCH 27
 
TEMPERATURE (DEGREES F)
MAX.....52    NORMAL.....48
MIN.....35    NORMAL.....31
MEAN....44    NORMAL.....40
DEPARTURE FROM 30-YEAR NORMAL...........+4 
TOTAL DEPARTURE FOR THE MONTH..........+27 [+0.8 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............21  DEPARTURE........-4
TOTAL HEATING UNITS FOR THE MONTH...........765  DEPARTURE.......-31 
TOTAL HEATING UNITS FOR THE SEASON.........5013  DEPARTURE......-353 
TOTAL HEATING UNITS LAST SEASON TO DATE....4909  DIFFERENCE.....+104  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............31 SSW AT  3:56 P.M.          
                   AEROVANE.............30 SSW AT  3:56 P.M.         
                   ASOS.................29 SW  AT  3:56 P.M.        
                   DAVIS................35 SW  AT  3:56 P.M.           
FASTEST MILE FOR YESTERDAY..............19 SW  AT  3:23 P.M.    
MAXIMUM 2-MINUTE ASOS AVERAGE...........20 SW  AT  3:52 P.M.        
MAXIMUM 2-MINUTE DAVIS AVERAGE..........23 SSW AT  3:53 P.M.       
AVERAGE WIND SPEED AND DIRECTION........10.3 WSW   
                   ASOS..................9.5      
                   DAVIS................10.6 WSW [237 deg]     
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.10   DEPARTURE......-0.06  
                         ASOS..............0.09
TOTAL PRECIPITATION FOR THE MONTH..........5.24   DEPARTURE......+1.05 
                         ASOS..............5.19  
TOTAL PRECIPITATION FOR THE YEAR..........17.28   DEPARTURE......+4.25  
                         ASOS.............19.50 #
# Includes erroneous ASOS precipitation data on 2/13/08.
 
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0   DEPARTURE.....-0.3
TOTAL SNOWFALL FOR THE MONTH................6.3   DEPARTURE.....-4.4 
TOTAL SNOWFALL FOR THE SEASON..............66.4   DEPARTURE....+10.3
 
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/-4/0/0/690/98        31 S 
3/12 40/30/35/0/0.26/0.6/120/17    41 WNW
3/13 43/25/34/-1/T/T/490/69        31 W
3/14 53/30/42/+6/0.01/0/135/19     24 ENE 
3/15 37/32/35/-1/0.51/1.9/000/00   39 NNE
3/16 40/31/36/0/T/T/014/02         42 WNW   Aero 42 MPH WNW
3/17 41/25/33/-4/0/0/692/96        42 WNW   Aero 39 MPH WNW
3/18 43/24/34/-3/0.02/0.1/493/68   22 NNE
3/19 43/30/37/0/0.53/0.5/000/00    28 ESE
3/20 50/32/41/+3/0.27/0/007/01     51 W
3/21 38/26/32/-6/0/0/704/96        61 W     Aero 58 MPH W
3/22 45/25/35/-3/0/0/692/94        44 W     Aero 44 MPH W
3/23 43/24/34/-4/0/0/717/97        25 WNW 
3/24 46/24/35/-4/0/0/659/89        21 WNW
3/25 39/25/32/-7/T/T/618/83        35 S     *
3/26 57/35/46/+7/T/T/.../..        46 S     *
3/27 52/35/44/+4/.../0/.../..      31 SSW
 
* A trace of snowfall was observed overnight beginning late
on 3/25 and ending early on 3/26. This was not reported
correctly in previous reports.
 
3/28 morning low temp. 35F; normal low is now 31F
 
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 28
HIGH 86 IN 1998
LOW 7 IN 1923
PRECIP 2.31 INS. IN 1932
SNOWFALL 3.0 INS. IN 1932
PEAK GUST 60e MPH NW IN 1944, 60 WSW IN 1991
 
RECORDS FOR MARCH 29
HIGH 85 IN 1945
LOW -2 IN 1923
PRECIP 2.78 INS. IN 1984
SNOWFALL 13.5 INS. IN 1984
PEAK GUST 95 MPH ENE IN 1984
 
TODAY'S REPORT PREPARED By: Stephanie Radner