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

DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, APRIL 3, 2004
ALL TIMES ARE IN EASTERN STANDARD TIME

CLOUDY AND COOL WITH A FEW SHOWERS TODAY...
MARCH 31-APRIL 3 STORM TOTAL RAINFALL 4.96 INCHES...
The summit has remained in the clouds and fog all
morning, though only an additional 0.05 inch of
precipitation has fallen since yesterday morning.
The storm total from Wednesday through Saturday
morning is 4.96 inches, with most of this (at least
3.30 inches) falling on April 1.  This set a new
daily record for the date surpassing 2.28 inches on
April 1, 1962, and it surpasses the previous record
daily rainfall for any date in April, which was 3.18
inches on April 21, 1991.  Additional precipitation
is expected in the next couple of days.


Today's observations:

7 A.M.
Weather: Sky obscured in heavy fog; Visibility: 1/16 mile
Temperature: 36F, Dewpoint: 36F, Wind: N 10 mph,
Sea-level pressure: 29.69 inches, falling
BHO SA 1155 W1 X 1/16F 054/36/36/0109/969/ WND LGT/ 8////
55000 70005 10036 20035
   METAR KBHO 031155Z 01009KT 1/16SM FG VV001 02/02 A2969
   RMK SLP054 8//// T00220022 70005 10022 20017 55000

10 A.M.
Weather: Sky partly obscured in fog with stratus overcast
Temperature: 37F, Dew Point: 37F, Wind: N 11 mph
BHO SA 1455 -X E3 OVC 2VF 044/37/37/0110/966/ F3 VSBY 1V5
VSBY INCR WND 34V04/ 8/6// 57010
   METAR KBHO 031455Z 01010KT 340V040 2SM FG 03/03 A2966 RMK
   VIS 1V5 FG SCT001 SLP044 8/6// T00280028 57010

1 P.M.
Weather: Sky obscured with heavy fog; Visibility: 1/8 mile
Temperature: 37F, Dew Point: 37F, Wind: NNE 12 mph
Sea-Level pressure: 29.63 inches, falling
BHO SA 1755 W2 X 1/8F 034/37/37/0310/963/ WND 36V06/ 8////
57010 10038 20036
   METAR KBHO 031755Z 03010KT 360V060 1/8SM FG VV002 03/03 A2963
   RMK SLP034 8//// T00280028 57010 10033 20022


WEATHER SUMMARY FOR FRIDAY, APRIL 2:

TEMPERATURE (DEGREES F)
MAX.....37    NORMAL.....50    ASOS.....37 AT 2:07 PM
MIN.....36    NORMAL.....33    ASOS.....35 AT 11:23 PM
MEAN....37    NORMAL.....42
DEPARTURE FROM 30-YEAR NORMAL.....-5
TOTAL DEPARTURE FOR THE MONTH.....-7  (-3.3 DEGREES/DAY)

HEATING DEGREE DAYS
TOTAL HEATING DEGREE DAYS FOR YESTERDAY.......28   DEPARTURE.....+5
TOTAL HEATING DEGREE DAYS FOR THE MONTH.......54   DEPARTURE.....+7
TOTAL HEATING DEGREE DAYS FOR THE SEASON....5546   DEPARTURE....+35
TOTAL HEATING DEGREE DAYS FOR LAST SEASON...5858   DIFFERENCE..-312


PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY........41 NNE AT 3:27 A.M.
                   AEROVANE.........40 NNE AT 3:43 A.M.
                   ASOS.............37 NNE AT 3:27 A.M.
FASTEST MILE FOR YESTERDAY..........28 NNE AT 2:42 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE.......26 NNE AT 7:55 A.M.
AVERAGE WIND SPEED AND DIRECTION..16.4 NNE
                   ASOS...........15.9


PRECIPITATION (INCHES) THROUGH THIS MORNING
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.05   DEPARTURE....-0.10
                         ASOS..............0.03
TOTAL PRECIPITATION FOR THE MONTH..........3.77   DEPARTURE....+3.32
                         ASOS..............3.54
TOTAL PRECIPITATION FOR THE YEAR..........11.44   DEPARTURE....-2.34
                         ASOS.............10.42

SNOWFALL (INCHES) THROUGH THIS MORNING
TOTAL SNOWFALL FOR 24 HRS ENDING 7 A.M......0.0   DEPARTURE....-0.2
TOTAL SNOWFALL FOR THE MONTH................0.0   DEPARTURE....-0.4
TOTAL SNOWFALL FOR THE SEASON..............57.5   DEPARTURE....+4.7


PRELIMINARY CLIMATE SUMMARY FOR APRIL 2004......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

4/1  41/36/39/-2/..../0.0/0/0     44 MPH NE
4/2  37/36/37/-5/..../0.0/0/0     41 MPH NNE
4/3  ..overnight low 35


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

RECORDS FOR APRIL 03
HIGH 76 IN 1892
LOW 16 IN 1894
PRECIP 2.18 INCHES IN 1990
SNOWFALL 8.0 INCHES IN 1915
PEAK GUST 83e MPH NW IN 1977 [RECORD FOR MONTH]

RECORDS FOR APRIL 04
HIGH 71 IN 1950
LOW 12 IN 1954
PRECIP 1.45 INCHES IN 1987
SNOWFALL 3.7 INCHES IN 1975
PEAK GUST 80 MPH WNW IN 1963

TODAY'S REPORT BY: Mike Iacono