BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, JANUARY 6, 2008
ALL TIMES ARE IN EASTERN STANDARD TIME
 
Today's observations:
 
7 A.M.  
Weather: Scattered altocumulus
Temperature: 34F, Dew point: 28F, Wind: SSW at 14 kts
Sea-level pressure: 30.19 inches Hg, rising
Visibility: 25 miles. hazy
6-hour min temp: 34F
Snow on ground: 1 inch
BHO SA 1155 100 SCT 25 222/34/28/2014/019/ HAZY/ 8/070 4/001 53006 
10037 20034
 
10 A.M.
Weather: Overcast
Temperature: 36F, Dew point: 28F, Wind: SSW at 12 kt
Sea-level pressure: 30.22 inches Hg, rising
Visibility: 20 miles
BHO SA 1455 80 OVC 20 235/36/28/2012/022/ FEW BINOVC DSNT SE HAZY/ 
8/4// 51013
 
WEATHER SUMMARY FOR SATURDAY, JANUARY 5
 
TEMPERATURE (DEGREES F)
MAX.....38    NORMAL.....34
MIN.....24    NORMAL.....19
MEAN....31    NORMAL.....27
DEPARTURE FROM 30-YEAR NORMAL...........+4
TOTAL DEPARTURE FOR THE MONTH..........-30 [-5.8 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............34  DEPARTURE.......-4
TOTAL HEATING UNITS FOR THE MONTH...........220  DEPARTURE......+30
TOTAL HEATING UNITS FOR THE SEASON.........2387  DEPARTURE.....-132
TOTAL HEATING UNITS LAST SEASON TO DATE....1978  DIFFERENCE....+409
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............M
                   AEROVANE.............28 SSW AT 11:15 P.M.    
                   ASOS.................26 SSW AT 11:14 P.M.
                   DAVIS................31 SSW AT  8:29 P.M.
FASTEST MILE FOR YESTERDAY..............23 SSW AT 11:17 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE...........21 SSW AT 11:18 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE..........25 SSW AT  8:30 P.M.
AVERAGE WIND SPEED AND DIRECTION......11.1 SW
                   ASOS...............11.3   
                   DAVIS..............11.4 SSW [206 deg]

 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE....-0.15
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........0.24  DEPARTURE....-0.51
                         ASOS..............0.23 
TOTAL PRECIPITATION FOR THE YEAR...........0.24  DEPARTURE....-0.51
                         ASOS..............0.23  
 
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.....-0.5
TOTAL SNOWFALL FOR THE MONTH................1.8  DEPARTURE.....-0.7
TOTAL SNOWFALL FOR THE SEASON..............32.3  DEPARTURE....+16.2
 
PRELIMINARY CLIMATE SUMMARY FOR JANUARY 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
 
1/1   38/28/33/+6/0.24/1.8/055/10   30 E  
1/2   29/7/18/-9/T/T/006/01         43 NW
1/3   11/2/7/-20/0/0/540/98         35 NW
1/4   30/2/16/-11/0/0/.../..        31 SSW
1/5   38/24/31/+4/0/0/.../..
 
NEW DAILY RECORDS FOR JANUARY 2008:
No new daily records.
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR JANUARY 6
HIGH 66F IN 2007
LOW -14F IN 1896
PRECIP 3.10 INCHES IN 1889 [RECORD FOR MONTH]
SNOWFALL 7.5 INCHES IN 1893
WIND 70 MPH WNW IN 1959
 
RECORDS FOR JANUARY 7
HIGH 60F IN 1930
LOW -7F IN 1896
PRECIP 1.97 INCHES IN 1977
SNOWFALL 16.0 INCHES IN 1977
WIND 74 MPH NW IN 1968
 
TODAY'S REPORT PREPARED By: Andrew Hoell