BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186
ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA
SATURDAY, NOVEMBER 30, 2002

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DAILY DISCUSSION...

LIGHT SNOW ON FRIDAY EVENING AHEAD OF WARMER AIR....
A total of 0.8" of new snow fell at the summit on Friday
evening between 5 and 7 PM with a melted precipitation
total of 0.04".  Temperatures climbed most of the night
from a low of 30 during the late afternoon on Friday up
to 37 at 7 AM this morning.  The temperature has climbed
to the mid 40s during the afternoon despite the AC and
AS cloud cover.  Snow cover remained at 6 inches early
this morning, but it has dropped to less than 3.5" as
of 1 PM.  Station pressure is starting to go down at a
pretty good pace ahead of a cold front expected later
today.  November will average a bit more that 1 degree
below normal for temperature more than 2.5 inches above
normal for precipitation, and about 5" above normal for
snow fall.
MJI

Today's observations:

7 AM
BHO SA 1155 E150 BKN 200 BKN 15 972/37/28/2015/945/ FEW
CI AND CC NW-N AC SE-S FEW SC DSNT SW CLRG BND NW-NNE
TOTAL NEW SNOW PST 24 HRS 0.8 IN/ 8/575/ 4/006 53007 70004
10037 20034

10 AM
BHO SA 1455 E90 BKN 200 BKN 20 975/40/31/1911/946/ FEW CI
DSNT NW-N CLRG BND WNW-N SUN OCNLY DMLY VSBL/ 8/071 50003

1 PM
BHO SA 1755 80 SCT E150 OVC 25 941/43/32/1710/936/ BINOVC
DSNT WNW-N FEW CUFRA VCNTY STN SUN DMLY VSBL/ 8/17/ 56034
10043 20037


WINDS AT BLUE HILL FOR FRIDAY, NOVEMBER 29
PEAK WIND GUST FOR FRIDAY...........35 MPH SSW AT 12:27 PM
                   AEROVANE.........36 MPH SSW AT 12:27 PM
                   ASOS.............35 MPH SSW AT 12:27 PM
AVERAGE WIND SPEED AND DIR........15.9 MPH, SSW
                   ASOS...........16.1 MPH

WINDS AT BLUE HILL FOR SATURDAY, NOVEMBER 30
PEAK WIND GUST THROUGH 1 PM..........27 MPH SSW AT 12:16 AM
                   AEROVANE..........27 MPH SSW AT 2:50 AM
                   ASOS..............25 MPH SSW AT 2:50 AM


TEMPERATURES AT BLUE HILL FOR FRIDAY, NOVEMBER 29

MAX.....34    NORMAL.....44    ASOS.....34 AT MIDNIGHT PM
MIN.....21    NORMAL.....30    ASOS.....21 AT 2:50 AM
MEAN....28    NORMAL.....37    DEP......-9    DEP FOR MONTH....-41

The month is averaging more than 1 degree below normal per day.

HEATING DEGREE DAY UNITS THROUGH FRIDAY, NOVEMBER 29
HEATING UNITS FOR FRIDAY............37    DEP.....+9
HEATING UNITS FOR NOVEMBER.........709*   DEP....+39
HEATING UNITS FOR THE SEASON......1280*   DEP....+19
HEATING UNITS FOR LAST SEASON......971    DEP...+309
*CORRECTED

PRECIPITATION DATA AT BLUE HILL.....
TOTAL PRECIPITATION 24 HRS ENDING 7 AM....0.04 IN    DEP....-0.11 IN
                         ASOS.............0.04 IN
TOTAL PRECIPITATION FOR THE MONTH.........7.12 INS   DEP....+2.63 INS
                         ASOS.............6.75 INS
TOTAL PRECIPITATION FOR THE YEAR.........46.60 INS   DEP....+0.09 IN
                         ASOS............43.80 INS


SNOWFALL DATA AT BLUE HILL...
TOTAL SNOWFALL 24 HRS ENDING 7 AM......0.8 IN     DEP....+0.7 IN
TOTAL SNOWFALL FOR THE MONTH...........8.2 INS    DEP....+5.3 INS
TOTAL SNOWFALL FOR THE SEASON..........9.5 INS    DEP....+6.3 INS


RECORDS FOR NOVEMBER 30

HIGH   64 IN 1927
LOW     7 IN 1887, 1929
PRE  2.42 INS IN 1944
SNOW 10.2 INS 1945
WIND   90 MPH SSW IN 1963

RECORDS FOR DECEMBER 1

HIGH   70 IN 2001
LOW     3 IN 1887
PRE  1.46 INS IN 1917
SNOW  2.0 INS IN 1902
WIND   72 MPH NW IN 1964

Daily wind records are for the period 1940-2001. Temperature and
precipitation records are for the full period of record 1885-2001.

Mike Iacono