BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
ALL TIMES EASTERN DAYLIGHT TIME
WEDNESDAY OCTOBER 5, 2005

TODAY'S DISCUSSION....2 P.M.

VERY DENSE FOG EARLY AGAIN EARLY THIS MORNING WITH ZERO VISIBILITY
EARLY OCTOBER TEMPERATURES CONTINUE UNUSUALLY WARM--NOW +7 DEGREES
TEMPERATURE UP TO 76 DEGREES EARLY THIS AFTERNOON

The fog was extremely dense at the summit again this morning with a ceiling
of 100 feet and zero visibility between 7 and 7:45 a.m. Then, briefly an
undercast condition was observed with the top of stratus layer drifting over the
summit before we again fogged in with zero visibility and the sun shining
dimly through the dense fog after 8 a.m.

Yesterday was the second consecutive day with our temperatures
averaging 9 degrees warmer than normal and bringing the average
for the first four days up to 7 degrees above than normal.
Early this afternoon the high temperature had reached 78 degrees;
the normal high is now 64 degrees...


TODAY'S OBSERVATIONS....

8 A.M.

dense fog with 1/8 mile visibility and 1/16 mile to east through south and
an undercast condition with top of this stratus layer drifting over the
summit and fog obscuring about 3/10 of the sky but conditions quite variable
down to zero visibility during the past hour...
temp./dewpoint 58; wind wsw at 07 mph; six hourly min. temp. 56 deg.

BHO SA 1155 -X 1/8F 282/58/58/2406/036/ F3 UNDERCAST TOP AT SMT
STRA DRFTG OVR SMT VSBY E-S 1/16 VSBY ZERO PST HR CDNS VRBL/
53009 10058 20056

11 A.M.

mostly clear with stratus layer northwest-north and visibility 8 miles
but northwest to north 6 miles dark smoke layer extending wsw-nw-ne
temp. 64; dewpoint 62; wind sse at 06 mph....

2 P.M.

scattered clouds with 30 miles visibility and hazy;
15 miles to northeast shallow fog bank over harbor;
temp. 78; dewpoint 63; wind south at 09 mph; six hourly
max. temp. 78 deg.

BHO SA 1755 17 SCT 30 263/78/63/1708/031/ SC LYR E-SSW FEW OCNL SCSL
OVHD-E-S SHLW FG BNK OVR HARBOR NE VSBY NE 15 LGT HZ ALQDS
WND 15V20/ 8/500 58018 10078 20057



WEATHER SUMMARY FOR TUESDAY OCTOBER 4:

TEMPERATURE (DEGREES F)
MAX......74   NORMAL.....65 HAZEN 74.0 @ 2:44 P.M.
MIN......55   NORMAL.....47 HAZEN 55.0 @ 6:57 A.M.
MEAN.....65   NORMAL.....56

DEPARTURE FROM 30-YEAR NORMAL.....+  9
TOTAL DEPARTURE FOR THE MONTH.....+ 29   + 7.1 deg. WARMER THAN NORMAL

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY......... 17  S AT 8:34 P.M.
                   AEROVANE..............................20  S AT 8:34 P.M.
                   ASOS...................................... 16  S AT 8:34 P.M.
                   DAVIS...................................... 17  SE AT 7:13 P.M.

FASTEST MILE FOR YESTERDAY.................n/a
MAXIMUM 2-MINUTE ASOS AVERAGE..........12 S  AT 9:43 P.M.
MAXIMUM 1-MINUTE DAVIS AVERAGE..........13 SE AT 7:30 P.M.

AVERAGE WIND SPEED AND DIRECTION... ....   7.2  S
ASOS..............................................................   8.1  S  [180 deg ]
DAVIS.............................................................   7.1  S   [180 deg ]


PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT)
TOTAL PRECIPITATION 24 HRS ENDING 8 A.M...TRACE   DEPARTURE......-0.14
                        ASOS.............. 0.00
TOTAL PRECIPITATION FOR THE MONTH.........TRACE   DEPARTURE......-0.56
                        ASOS...............0.00
TOTAL PRECIPITATION FOR THE YEAR........  42.90   DEPARTURE......+4.89
                        ASOS..............41.67

PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 2005......CALENDAR DAY DATA
DATA REPORTED:
DATE  MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST

AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available

10/1   70/49/60/+3/0/.../..     21 MPH S
10/2   75/52/64/+8/0/.../..     23 MPH SSW
10/3   73/56/65/+9/0/.../..     15 MPH S
10/4   74/55/65/+9/T/.../..     17 MPH S

10/5   morning low temp. 56 deg...

DAILY EXTREMES

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

RECORDS FOR OCTOBER 5
HIGH 85F IN 1922
LOW 29F IN 1965
PRECIP 3.17 INCHES IN 1962
PEAK GUST 64e MPH S IN 1979

RECORDS FOR OCTOBER 6
HIGH 83F IN 1990
LOW 26F IN 1965
PRECIP 3.78 INCHES IN 1962
PEAK GUST 60e MPH S IN 1942

TODAY'S REPORT BY: Robert Skilling