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

DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, MAY 7, 2005
ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted]

IMPRESSIVE LATE SEASON OCEAN STORM BRINGING HIGH WINDS AND
RAIN TO COASTAL NEW ENGLAND...FREQUENT GUSTS OVER 45 MPH...
STORM TOTAL NOW OVER ONE INCH...

Light rain began shortly before midnight Friday night and
picked up in intensity before sunrise this morning.  At 8 AM EDT
there was 0.59 in the standard gage, and another 0.43 inch was
measured for the six hours ending at 2 PM EDT.  The storm total as
of that time is 1.02 inches.  The record daily rainfall for May 7
of 1.15 inches in 1998 will likely be surpassed later today.
The wind increased all morning with several hours averaging 26-28
mph NNE-N.  The peak gust for the day remains 58 mph NNE, which
occurred at 10:40 AM EDT.

Today's observations:

7 A.M. EST
Weather: Sky partly obscured with moderate rain and fog
Temperature: 43F, Dew point: 43F, Wind: NNE 23G41 mph
Sea-level pressure: 29.93 inches, falling
Visibility: 1 1/2 miles
BHO SA 1155 -X E4 OVC 11/2RF 136/43/43/0220G36/993/ F2 STRA DRFTG
OVR SMT WND 35V05 PK WND 0240/34/ 8/6// 57020 60/// 70059 10043 20042

10 A.M. EST
Weather: Light rain and overcast with stratocumulus, nimbostratus
Temperature: 41F, Dew point: 41F, Wind: N28G56 mph
Sea-level pressure: 29.84 inches, falling
Visibility: 10 miles
BHO SA 1455 E10 OVC 10R- 106/41/41/0124G49/984/ WND 33V06 PK WND
0249/46/ 8/72/ 58030 6033/

1 P.M. EST
Weather: Light rain and fog, overcast with SC and nimbostratus
Temperature: 40F, Dew Point: 40F, Wind: N 28G47 mph
Visibility: 5 miles, fog; ceiling ragged
Sea-level pressure: 29.80 inches, falling
BHO SA 1755 E10 BKN 20 OVC 5R-F 092/40/40/3525G41/980/ CIG RGD FEW
LWR STFRA WND 32V02 PK WND 3544/22/ 8/72/ 58014 6043/ 10043 20040


WEATHER SUMMARY FOR FRIDAY, MAY 6

TEMPERATURE (DEGREES F)
MAX.....54   NORMAL.....64    ASOS.....54 AT 12:39 P.M.
MIN.....42   NORMAL.....44    ASOS.....42 AT MIDNIGHT P.M.
MEAN....48   NORMAL.....54
DEPARTURE FROM 30-YEAR NORMAL......-6
TOTAL DEPARTURE FOR THE MONTH.....-20  (-3.5 DEGREES/DAY)

HEATING DEGREE DAY INFORMATION
TOTAL HEATING DEGREE DAYS FOR FRIDAY.........17   DEPARTURE.....+5
TOTAL HEATING DEGREE DAYS FOR THE MONTH......92   DEPARTURE....+17
TOTAL HEATING DEGREE DAYS FOR THE SEASON...6015   DEPARTURE....-86
TOTAL HEATING DEGREE DAYS FOR LAST YEAR....6042   DIFFERENCE...-27

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY........26 NNE AT 9:00 P.M.
                   AEROVANE.........25 NE AT 10:28 P.M.*
                   ASOS.............24 NE AT 9:13 P.M.
                   DAVIS............24 NNE AT 8:54 P.M.
FASTEST MILE FOR YESTERDAY..........17 NNE AT 9:27 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE.......18 NE AT 9:28 P.M.
AVERAGE WIND SPEED AND DIRECTION...10.6 ENE
                   ASOS............10.3
*LAST OF SEVERAL OCCURRENCES

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.59   DEPARTURE....+0.47
                         ASOS..............0.58
TOTAL PRECIPITATION FOR THE MONTH..........0.78   DEPARTURE....+0.02
                         ASOS..............0.77
TOTAL PRECIPITATION FOR THE YEAR..........21.87   DEPARTURE....+3.31
                         ASOS.............20.36*
*EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28.

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0   DEPARTURE......0.0
TOTAL SNOWFALL FOR THE MONTH................0.0   DEPARTURE.....-0.1
TOTAL SNOWFALL FOR THE SEASON.............119.4   DEPARTURE....+59.3 [CORRECTED]


PRELIMINARY CLIMATE SUMMARY FOR MAY 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

5/1  57/44/51/-1/0.14/.../..              33 MPH WNW
5/2  63/39/51/-1/0.05/.../..              43 MPH S
5/3  58/38/48/-5/0/.../..                 30 MPH WSW
5/4  59/40/50/-3/T/0/.../..               21 MPH E
5/5  60/38/49/-4/0/0/.../..               23 MPH E
5/6  54/42/48/-6/0.08/0/.../..            26 MPH NNE
5/7  ..overnight low 42


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

RECORDS FOR MAY 7
HIGH 93F IN 1930
LOW  33F IN 1970
PRECIP 1.15 INCHES IN 1998
SNOWFALL TRACE IN 1967
PEAK GUST 66e MPH WNW IN 1940

RECORDS FOR MAY 8
HIGH 89F IN 2000
LOW  29F IN 1956
PRECIP 1.48 INCHES IN 1886
SNOWFALL TRACE IN 1898, 1947
PEAK GUST 68e MPH NNW IN 1943

TODAY'S REPORT BY: Mike Iacono