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

DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, AUGUST 6, 2005
ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted]

MOSTLY SUNNY, COOLER, AND MUCH DRIER TODAY...
Thunderstorms in the area last evening were not severe here,
but brought 0.49 inch of rainfall between 5:35 and 6:35 PM EDT
most of which fell in about 35 minutes.  The peak gust for
Friday was 51 mph WSW at 5:51 PM EDT.  There was also a rapid
drop in temperature of about 25 degrees (93 to 68) over two
hours between 4:10 and 6:10 PM EDT, which included a drop of
about 8 degrees in the 20 minutes ending at 6 PM.  The high
for Friday of 95 ties the highest temperature measured so far
this year with the 95 on June 26.  This is not a record for
August 5th, which remains 98 in 1955, but it is the second
highest temperature recorded on this date on our 121-year
climate record.


Today's observations:

7 A.M. EST
Weather: Scattered stratocumulus, and thin overcast cirrus
Temperature: 69F, Dew point: 61F, Wind: NNW 12 mph
Sea-level pressure: 30.14 inches, rising
Visibility: 60 miles, 70 miles to NW
BHO SA 1155 40 SCT 200 SCT 250 -OVC 60 206/69/61/3310/014/ BINOVC
ALQDS FEW AC W-N FEW SCCAS ESE VSBY NW 70/ 8/531 51017 70049 10069
20066

10 A.M. EST
Weather: Scattered dense cirrus and thin overcast cirrus
Temperature: 76F, Dew point: 57F, Wind: NNE 10 mph
Sea-level pressure: 30.18 inches, rising
Visibility: 65 miles
BHO SA 1455 200 SCT 250 -OVC 65 220/76/57/0309/018/ AC ESE-SW FEW SC
SE-S FEW CU DSNT WNW WND 00V06/ 8/531 53014

1 P.M. EST
Weather: Scattered cumulus and thin broken cirrus fibratus
Temperature: 78F, Dew point: 53F, Wind: E 7 mph
Sea-level pressure: 30.15 inches, falling
Visibility: 70 miles
BHO SA 1755 50 SCT 250 -BKN 70 210/78/53/0806/015/ WND LGT AND VRB/
8/101 57010 10079 20069


WEATHER SUMMARY FOR FRIDAY, AUGUST 5

TEMPERATURE (DEGREES F)
MAX.....95   NORMAL.....81    ASOS.....95 AT 1:39 P.M.
MIN.....67   NORMAL.....62    ASOS.....68 AT 11:53 P.M.
MEAN....81   NORMAL.....72
DEPARTURE FROM 30-YEAR NORMAL......+9
TOTAL DEPARTURE FOR THE MONTH.....+24 (+4.6 DEGREE/DAY)

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY.........51 WSW AT 4:51 P.M.
                   AEROVANE..........50 WSW AT 4:51 P.M.
                   ASOS..............47 WSW AT 4:51 P.M.
                   DAVIS.............50 WSW AT 4:56 P.M.
FASTEST MILE FOR YESTERDAY...........38 WSW AT 4:52 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE........38 WSW AT 4:52 P.M.
AVERAGE WIND SPEED AND DIRECTION...14.4 SSE
                   ASOS............15.3

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.49   DEPARTURE....+0.36
                         ASOS..............0.48
TOTAL PRECIPITATION FOR THE MONTH..........1.24   DEPARTURE....+0.62
                         ASOS..............1.12
TOTAL PRECIPITATION FOR THE YEAR..........34.77   DEPARTURE....+4.89
                         ASOS.............33.52*
*EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28.


PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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

8/1  85/62/74/+2/0.72/.../..     32 WMW  Aero 36 MPH WNW TSTM
8/2  87/65/76/+4/0.03/.../..     21 W
8/3  87/67/77/+5/0/.../..        20 WNW
8/4  85/66/76/+4/0/.../..        25 SE
8/5  95/67/81/+9/0.49/.../..     51 WSW  Aero 50 MPH WSW TSTM
8/6  ..overnight low 66


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

RECORDS FOR AUGUST 6
HIGH 95F IN 1931
LOW  48F IN 1934
PRECIP 1.47 INCHES IN 1995
PEAK GUST 44e MPH SSW IN 1940

RECORDS FOR AUGUST 7
HIGH 95F IN 1924
LOW  51F IN 2004
PRECIP 3.32 INCHES IN 1926
PEAK GUST 51 MPH NE 1975

TODAY'S REPORT BY: Mike Iacono