BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY OCTOBER 6, 2004

COLDEST OF THE SEASON TO DATE....37 DEGREES HERE...

Clear sky and calm winds overnight allowed the temperatures to dip to frost and
freeze levels with nearby Norwood Aiport down to 27 and Taunton Airport reporting
a low of 29 degrees. Here on the summit the low of 37 degrees was also
our coldest of the season to date. Boston had a low of 40 at Logan Airport.
Farther south Plymouth Airport had 31 degrees, Hyannis 32 and Martha's Vineyard
Airport had the coldest of all regular reporting station in southeastern Mass.
at 26 degrees this morning.


EARLY OBSERVATION...

10/6/2004 TUE

8 a.m. clear with few cu clouds distant ese-ssw and few ci distant w and northeast
patches of dense steam and shallow ground fog se-sw-nw slowly dissipating
past hour visibility 80 miles; temp. 41; dewpoint 30; wind estimated from the
wnw at 02 mph; six hourly minimum temp. 37 deg.

BHO SA 1155 CLR 80 298/41/30/E2901/041/ CUFRA/CU/MDT CU DSNT ESE-SSE ALG/OFFSHR
FEW CI DSNT W AND NE SCT PTCHS DENSE STEAM FOG/GF SE-SW-NW SLWLY DSSPTNG PST HR/
8/201 53008 10044 20037

11 a.m. high thin scattered with 70 miles visibility and 53 deg; dewpoint 33;
wind ssw at 10 mph...

BHO SA 1455 300 -SCT 70 300/53/33/2009/042/ SML CU DSNT E-SSE
LWR CI DSNT W WND 18V24/ 8/101 50002

2 p.m. high thin scattered ci clouds with 75 miles visibility and 59 deg;
dewpoint 35; wind sw at 10 mph; six hourly max. temp. 59 deg.

BHO SA 1755 300 -SCT 75 278/59/35/2309/035/ FEW LWR CI S-W WND 18V24/
8/001 58022 10059 20041

ALL TIMES EASTERN DAYLIGHT TIME..

WEATHER SUMMARY FOR TUESDAY OCTOBER 5:

TEMPERATURE (DEGREES F)
MAX.... 55    NORMAL.....64     HAZEN SHELTER 55.4 @ 3:10 p.m.
MIN.....40    NORMAL.....46     HAZEN SHELTER 40.1 @ 11:13 p.m. **
MEAN....48    NORMAL.....55

** eastern standard time


DEPARTURE FROM 30-YEAR NORMAL.....- 7
TOTAL DEPARTURE FOR THE MONTH.....- 2  (-0.6 DEGREES/DAY)

PEAK GUST AND AVERAGE WIND SPEED (MPH)

PEAK WIND GUST FOR YESTERDAY........32 NW AT 2:57 A.M.
                   AEROVANE.........35 NW AT 2:57 A.M.
                   ASOS.............31 NW AT 2:57 A.M.
                   DAVIS............31 NW AT 3:28 A.M.

FASTEST MILE FOR YESTERDAY..........22 NW  AT 3:13 A.M.
           HIGHEST ASOS  2 MIN AV...22 NW  AT 3:l4 A.M.
           HIGHEST DAVIS 1 MIN AV...25 NNW AT 3:13 A.M.

AVERAGE WIND SPEED AND DIRECTION.. 12.0 NW
                   ASOS........... 12.2 NW  / 320 deg.
                   DAVIS.......... 12.6 NNW / 340 deg.

PRECIPITATION (INCHES)
TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.00   DEPARTURE....-0.14
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........0.01   DEPARTURE....-0.69
                         ASOS..............0.01
TOTAL PRECIPITATION FOR THE YEAR..........42.27   DEPARTURE....+3.97
                         ASOS.............41.61

PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 2004......CALENDAR DAY DATA
DATA REPORTED: 24 HOUR PERIODS ENDING MIDNIGHT EST
DATE  MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
... SUNSHINE DATA NOT YET AVAILABLE

10/1  68/51/60/+3/0/591/84    16 MPH ESE
10/2  68/52/60/+4/0.01/056/08 22 MPH S
10/3  59/46/53/-3/0/621/89    27 MPH NNW
10/4  68/46/57/+1/0/626/90    23 MPH W
10/5  55/40/48/-7/0/665/96    32 MPH NW

10/6  morning low 37 degrees..

OUR DAILY EXTREMES....

Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR OCTOBER 06
HIGH 83F IN 1990
LOW 26F IN 1965
PRECIP 3.78 INCHES IN 1962
PEAK GUST 60e MPH S IN 1942

RECORDS FOR OCTOBER 07
HIGH 88 IN 1963 (RECORD FOR MONTH)
LOW 30 IN 1904,1986
PRECIP 1.75 INCHES IN 1972
PEAK GUST 52 ESE IN 1972

Today's report:  Robert Skilling