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

DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY OCTOBER 5, 2004
ALL TIMES ARE IN EASTERN DAYLIGHT TIME

TODAY'S DISCUSSION...

The chilliest airmass of the season arrived overnight on briefly
gusty northwest up to 30 to 35 mph.  By this afternoon visibility
was a spectacularly good 90 to 100 miles as the thermometer hovered
in the middle 50s with dew points near 30 degrees.

TODAY'S OBSERVATIONS:

10/5/2004 TUE

8 a.m. clear with 80 miles visibility; temp. 44; dewpoint 34;
wind nw 17 gusting 25 mph; six hour min. temp. 43 deg.

BHO SA 1155 CLR 80 235/44/34/3215G22/022/ AC N-E-S-SSW ACC NE-S
FEW ACSL N/ 8/080/ 51023 10052 20043

11 a.m. clear with 90 miles visibility and 50 deg; dewpoint 29;
wind nw at 14 gusting 21 mph...

BHO SA 1455 CLR 90 250/50/29/3112G18/027/ SC LYR DSNT ENE-SSE
FEW CUFRA FRMG DSNT W AND FEW CU DSNT NW AND E FEW CI W-NNW/
8/801 51015

2 p.m. clear with 90 to 100 miles visibility and 54 deg; dewpoint 30;
wind nw at 12 gusting 20 mph; six hourly max. temp. 54.

BHO SA 1755 CLR 90 244/54/29/3110G17/025/ FEW CU/SC DSNT ESE-S/
8/100 58006 10054 20044


ALL TIMES EASTERN DAYLIGHT TIME..

WEATHER SUMMARY FOR MONDAY, OCTOBER 4:

TEMPERATURE (DEGREES F)
MAX.... 68    NORMAL.....65     HAZEN SHELTER 67.9 @ 1:59 p.m.
MIN.....46    NORMAL.....47     HAZEN SHELTER 46.0 @ 1:06 a.m.
MEAN....57    NORMAL.....56


DEPARTURE FROM 30-YEAR NORMAL.....+ 1
TOTAL DEPARTURE FOR THE MONTH.....+ 5  (+1.1 DEGREES/DAY)

PEAK GUST AND AVERAGE WIND SPEED (MPH)

PEAK WIND GUST FOR YESTERDAY........23 W AT 11:55 P.M.
                   AEROVANE.........25 W AT 11:55 P.M.
                   ASOS.............21 W AT 11:55 P.M.
                   DAVIS............n/a

FASTEST MILE FOR YESTERDAY..........16 W  AT  11:46 P.M.
           HIGHEST ASOS  2 MIN AV...17 W  AT  11:56 P.M.
           HIGHEST DAVIS 1 MIN AV...19 SW AT   9:45 P.M.

AVERAGE WIND SPEED AND DIRECTION..  8.8 SSW
                   ASOS........... 10.4 S   / 190 deg.
                   DAVIS..........  9.8 SSW / 200 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....-0.55
                         ASOS..............0.01
TOTAL PRECIPITATION FOR THE YEAR..........42.27   DEPARTURE....+4.11
                         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/.../..    16 MPH ESE
10/2  68/52/60/+4/0.01/.../.. 22 MPH S
10/3  59/46/53/-3/0/.../..    27 MPH NNW
10/4  68/46/57/+1/0/.../..    23 MPH W

10/5  morning low temp. 43 deg. @ 7:17 a.m.; normal low now 46


OUR DAILY EXTREMES....

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

RECORDS FOR OCTOBER 05
HIGH 85F IN 1922
LOW 29F IN 1965
PRECIP 3.17 INCHES IN 1962
PEAK GUST 64e MPH S IN 1979

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

Today's report:  Robert Skilling