BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, NOVEMBER 3, 2008 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
STEEP MORNING TEMPERATURE INVERSION THIS MORNING
WARMER AIR ARRIVING TODAY UNDER OVERCAST SKIES
AFTER VERY COLD DAY FOR NOVEMBER 2ND
 
Early morning low temperatures were frosty cold
beneath a rather sharp temperature inversion.
Norwood Airport had 21 degrees and Taunton Airport
was 24 degrees.  Boston's Logan Airport reached 32
for the first time this season.  Meanwhile here 
atop Blue Hill the low reading barely reached 32
degrees.  Yesterday was a very cold day for early
November averaging 10 degrees below normal. A layer
of low clouds was completely shutting out any sun-
shine today but temperatures had risen to the upper
40's with southerly winds. This comes after a cold
43-degree maximum yesterday despite many hours
of bright sunshine. 
 
Today's observations:
 
7 A.M.
Weather: Overcast stratocumulus, higher clouds and few
lower cumulus, stratocumulus visible distant NE-SE 
Temperature: 37F, Dew point: 30F, Wind: SSE at 11 kts
Sea-level pressure: 30.56 inches Hg, steady
Visibility: 50 miles 
6-hourly minimum temperature: 32F
BHO SA 1155 E40 OVC 50 349/37/30/1511/056/
FEW LWR CU/SC DSNT NE-SE BINOVC DSNT NE-SE/
HIER CLD VSB PTCHS THN FG BLO INVSN/SMT/
8/871 56009 10037 20032
 
10 A.M.
Weather: Overcast stratocumulus 
Temperature: 41F, Dew point: 32F, Wind: S at 8 kts
Sea-level pressure: 30.55 inches Hg, falling
Visibility: 45 miles, N-E 30 miles, thin smoke layer 
BHO SA 1455 E35 OVC 45 344/41/32/1708/055/
FEW LWR SC THN K LYR ALG HRZN N-E VSBY N-E 30/
8/5// 58005
 
1 P.M.
Weather: Overcast stratocumulus, hazy  
Temperature: 47F, Dew point: 41F, Wind: S at 12 kts
Sea-level pressure: 30.48 inches Hg, falling
Visibility: 25 miles, hazy and haze increasing 
6-hour max. temp. 47F
BHO SA 1755 E27 OVC 25 323/47/41/1812/048/
FEW LWR SC HAZY/HZ INCRSNG/ 8/5//
57021 10047 20037
 
WEATHER SUMMARY FOR SUNDAY, NOVEMBER 2
 
TEMPERATURE (DEGREES F)
MAX.....43    NORMAL.....54
MIN.....29    NORMAL.....38
MEAN....36    NORMAL.....46
 
DEPARTURE FROM 30-YEAR NORMAL.............-10
TOTAL DEPARTURE FOR THE MONTH.............-10 [-5.2 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............29  DEPARTURE........+10
TOTAL HEATING UNITS FOR THE MONTH............47  DEPARTURE.........+9
TOTAL HEATING UNITS FOR THE SEASON..........589  DEPARTURE........-40
TOTAL HEATING UNITS LAST SEASON TO DATE.....378  DIFFERENCE......+211 
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............25  NW AT 3:23 A.M. *
                   AEROVANE.............23  NW AT 2:43 A.M.    
                   ASOS.................24  NW AT 3:23 A.M. 
                   DAVIS................25 WNW AT 2:42 A.M. 
FASTEST MILE FOR YESTERDAY..............17  NW AT 3:29 A.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE...........16 WNW AT 4:53 A.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE..........18  NW AT 2:43 A.M.
                   AVERAGE............10.5 NW 
                   ASOS...............10.2
                   DAVIS..............10.6 NNE [020 deg]
* last of several occurrences...
 
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..........0.00   DEPARTURE.......-0.30
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE YEAR..........44.94   DEPARTURE.......+2.62
                         ASOS.............47.52 #
#  Includes erroneous ASOS precipitation data on 2/13/08.
 
PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 2008 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/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/.../..     22 SW
11/2 43/29/36/-10/0.00/.../..   25 NW
 
11/3 morning low temp. 32F; our normal low is 38F
 
NEW DAILY RECORDS FOR NOVEMBER
 
None...
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR NOVEMBER 3
HIGH 75 IN 1990
LOW 21 IN 1891
PRECIP 1.92 INCHES IN 1951
SNOWFALL 0.1 IN 1951
PEAK GUST 96e SSE IN 1951
 
RECORDS FOR NOVEMBER 4
HIGH 77 IN 1987
LOW 22 IN 1891
PRECIP 3.27 INCHES IN 1910
SNOWFALL 6.4 IN 1945
PEAK GUST 73 WNW IN 1965
 
TODAY'S REPORT PREPARED By: Robert Skilling