BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, DECEMBER 1, 2008 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
7 A.M.
Weather: Sky obscured with fog, rain
Temperature: 47F, Dew point: 47F, Wind: ESE at 13 kts
Sea-level pressure: 29.47 inches Hg, rising
Visibility: 1/16 mile
24-hour precipitation: 0.99 inch
6-hour minimum temperature: 43 F
BHO SA 1155 W2 XF 1/16R-F 979/47/47/1113/947/ 8//// 50008
MANUAL 600X/ ASOS 60011 MANUAL 70099 ASOS 70100 10048 20043
 
10 A.M.
Weather: Overcast with a few breaks
Temperature: 54F, Dew point: 52F, Wind: S at 19G24 kt
Sea-level pressure: 29.50 inches Hg, rising
Visibility: 1 mile, estimated
BHO SA 1455 E10 OVC 1F 991/54/52/1819G24/950/ FEW BINOVC HIER CLDS VSBL/
8/4// 53012
 
1 P.M.
Weather: Scattered cumulus and thin scattered cirrus
Temperature: 57F, Dew point: 40F, Wind: S at 13G37 kt
Sea-level pressure: 29.50 inches Hg, steady
Visibility: 55 miles
6-hour precipitation: 0.01 inch
6-hour maximum temperature: 59 F
BHO SA 1755 35 SCT 250 -SCT 55 989/57/40/1926G37/950/
PK WND 1937/1752/ 8/401 55002 6001/ 10059 20047
 
 
WEATHER SUMMARY FOR SUNDAY, NOVEMBER 30
 
TEMPERATURE (DEGREES F)
MAX.....43    NORMAL.....44
MIN.....28    NORMAL.....29
MEAN....36    NORMAL.....37
 
DEPARTURE FROM 30-YEAR NORMAL...............-1
TOTAL DEPARTURE FOR THE MONTH..............-12 [-0.6 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............29  DEPARTURE.........+1
TOTAL HEATING UNITS FOR THE MONTH...........708  DEPARTURE........+10
TOTAL HEATING UNITS FOR THE SEASON.........1250  DEPARTURE........-39
TOTAL HEATING UNITS LAST SEASON TO DATE....1080  DIFFERENCE......+170
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............36 ENE AT  6:32 P.M.  
                   AEROVANE.............32 ENE AT  7:42 P.M.    
                   ASOS.................35 E   AT  6:33 P.M.     
                   DAVIS................33 ENE AT  6:32 P.M.   
FASTEST MILE FOR YESTERDAY..............27 ENE AT  6:29 P.M. *
MAXIMUM 2-MINUTE ASOS AVERAGE...........26 E   AT  6:14 P.M.   
MAXIMUM 2-MINUTE DAVIS AVERAGE..........26 ENE AT  6:14 P.M.  
                   AVERAGE............12.6 ENE
                   ASOS...............13.0
                   DAVIS..............12.5 NE [50 deg]
* last of several occurrences....
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.....0.99   DEPARTURE.......+0.84
                         ASOS...............1.00
TOTAL PRECIPITATION FOR THE MONTH............N/A   DEPARTURE.........N/A *
                         ASOS................N/A
TOTAL PRECIPITATION FOR THE YEAR...........50.40   DEPARTURE.......+3.74
                         ASOS..............53.14 #
# Includes erroneous ASOS precipitation data on 2/13/08.
* Final November and initial December precipitation are not yet available.  
 
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.....-0.1
TOTAL SNOWFALL FOR THE MONTH................0.0  DEPARTURE.....-2.7
TOTAL SNOWFALL FOR THE SEASON.............TRACE  DEPARTURE.....-2.9
 
 PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 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 gust when significant
TSTM: Thunderstorm day (thunder heard some time during day)
....: Data not yet available, records not finalized
 
11/1  58/36/47/0/0.00/266/43        22 SW
11/2  43/29/36/-10/0.00/598/97      25 NW
11/3  50/32/41/-5/0.00/000/00       23 S
11/4  65/45/55/+9/0.00/409/67       24 SSW
11/5  65/52/59/+14/0.07/018/03      28 NE 
11/6  55/52/54/+9/0.93/000/00       35 NNE
11/7  57/52/55/+10/0.05/000/00      24 N
11/8  59/55/57/+13/0.07/000/00      32 SE
11/9  57/45/51/+7/0.01/462/77       35 WSW 
11/10 52/34/43/-1/T/316/53          32 W
11/11 47/31/39/-4/0.00/428/72       33 W
11/12 46/35/41/-2/0.00/355/60       17 W
11/13 49/36/43/0/0.05/T/000/00      35 ESE SLEET 8 AM
11/14 59/49/54/+12/0.07/0/000/00    22 SE
11/15 67/56/62/+20/0.62/0/000/00    65 SSE Aero 69 MPH SSE
11/16 64/37/51/+9/0.32/0/169/29     53 W   Aero 46 MPH W
11/17 47/31/39/-2/0.00/0/0/501/86   24 SSW
11/18 38/23/31/-10/0.00/0.0/580/100 33 NW
11/19 31/18/25/-16/0.00/0.0/566/98  32 NW
11/20 33/17/25/-15/0.00/0.0/547/95  32 W   Aero 29 MPH W
11/21 32/19/26/-14/0.00/0.0/551/96  36 NW  Aero 33 MPH NW
11/22 26/17/22/-18/0.00/0.0/515/90  47 WNW Aero 47 MPH WNW
11/23 31/18/25/-14/0.00/0.0/.../..  35 W   Aero 33 MPH W
11/24 41/25/33/-6/0.00/0.0/.../..   32 E
11/25 51/35/43/+4/2.21/0.0/000/00   44 E
11/26 44/30/37/-1/0.00/0.0/.../..   32 S
11/27 44/32/38/0/0.00/0.0/.../..    20 WSW
11/28 43/31/37/0/0.07/0.0/.../..    35 W   Aero 33 W  Hail 1/4 inch
11/29 44/30/37/0/0.00/0.0/.../..    27 W
11/30 43/28/36/-1/.../../.../..     36 ENE
 
NEW DAILY RECORDS FOR NOVEMBER 2008...
 
11/15 PEAK GUST: 65 SSE, PREVIOUS RECORD, 58 NNW in 1962, NW in 1967
11/15 HIGH MIN TEMP: 56F; TIED WITH 1989
11/22 LOW MAX TEMP:  26F; TIED WITH 1972
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR DECEMBER 1
HIGH 70 IN 2001
LOW 3 IN 1887
PRECIP 1.46 INS. IN 1917
SNOW 2.0 INS. IN 1902
PEAK GUST 72 MPH NW IN 1964
 
RECORDS FOR DECEMBER 2
HIGH 61 IN 1998
LOW 3 IN 1890
PRECIP 2.09 INS. IN 1974
SNOWFALL 5.0 INS. IN 1894,1929
PEAK GUST 89e MPH SSE IN 1942
 
TODAY'S REPORT PREPARED By: Stephanie Radner / Andrew Hoell