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

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, JUNE 20, 2004
ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted]

Today's observations:

7AM
Temperature: 56F
Dewpoint: 36F
Wind: 310 degrees at 15 knots gusting to 24 knots
Sky: Clear with patches of cirrus S and SW

BHO SA 1155 CLR 85 145/56/36/3115G24/996/
PTCHS CI S AND SW/ 8/001 53012 10056 20051

10AM
Temperature: 64F
Dewpoint: 39F
Wind: 300 degrees at 10 knots gusting to 16 knots
Sky: Scattered cufra and cirrus

BHO SA 1455 60 SCT 200 SCT 85 146/64/39/3010G16/996/
WND 24V01/ 8/501 51001

1PM
Temperature: 68F
Dewpoint: 41F
Wind: 280 degrees at 14 knots gusting to 20 knots
Sky: Scattered curfra

BHO SA 1755 60 SCT 85 140/68/41/2814G20/994/
CLR DSNT NE-SE/ 8/500 56006 10070 20057


WEATHER SUMMARY FOR SATURDAY, JUNE 19:

TEMPERATURE (DEGREES F)
MAX.....80    NORMAL.....76    ASOS.....80 AT 2:49 P.M.
MIN.....58    NORMAL.....57    ASOS.....58 AT 4:53 A.M.
MEAN....69    NORMAL.....67
DEPARTURE FROM 30-YEAR NORMAL......+2
TOTAL DEPARTURE FOR THE MONTH......-5  (-0.3 DEGREES/DAY)

HEATING DEGREE DAYS
TOTAL HEATING DEGREE DAYS FOR YESTERDAY........0   DEPARTURE.....-2
TOTAL HEATING DEGREE DAYS FOR THE MONTH.......72   DEPARTURE....+12
TOTAL HEATING DEGREE DAYS FOR THE SEASON....6285   DEPARTURE....-72
TOTAL HEATING DEGREE DAYS FOR LAST SEASON...6872   DIFFERENCE..-587

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY........36 W AT 6:27 P.M.
                   AEROVANE.........38 W AT 6:25 P.M.
                   ASOS.............33 W AT 6:28 P.M.
FASTEST MILE FOR YESTERDAY..........32 W AT 5:19 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE.......26 W AT 5:15 P.M.
AVERAGE WIND SPEED AND DIRECTION...11.6 W
                   ASOS............11.4

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00   DEPARTURE....-0.13
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........1.29   DEPARTURE....-1.21
                         ASOS..............1.25
TOTAL PRECIPITATION FOR THE YEAR..........22.21   DEPARTURE....-2.03
                         ASOS.............20.62


PRELIMINARY CLIMATE SUMMARY FOR JUNE 2004......CALENDAR DAY DATA
DATA REPORTED:
DATE  MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST

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

6/1  51/46/49/-13/0.32/000/00        28 MPH E
6/2  74/46/60/-2/0.08/254/28         31 MPH WNW TSTM
6/3  72/50/61/-1/0.21/463/51         40 MPH NW  TSTM  *Aerovane 46 MPH NW
6/4  72/47/60/-3/0/835/92            21 MPH S
6/5  69/50/60/-3/0/501/55            35 MPH E
6/6  55/48/52/-11/0.32/000/00        31 MPH NE
6/7  73/48/61/-3/T/428/47            21 MPH S
6/8  87/57/72/+8/0/793/87            29 MPH SSW
6/9  90/67/79/+15/0.23/813/89        29 MPH SW   TSTM
6/10 69/54/62/-2/0.05/146/16         32 MPH NE
6/11 70/49/60/-5/0/887/97/           27 MPH NW
6/12 71/49/60/-5/0/897/98            23 MPH S
6/13 74/51/63/-2/0/805/88            31 MPH S
6/14 69/54/62/-3/0/T/027/03          32 MPH S
6/15 86/62/74/+8/0/669/73            30 MPH W
6/16 85/66/76/+10/0/824/90           20 MPH NW
6/17 85/63/74/+8/0/.../..            20 MPH ENE
6/18 65/60/63/-3/0.02/.../..         23 MPH ENE
6/19 80/58/69/+2/0.06/.../..         36 MPH W


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

RECORDS FOR JUNE 20
HIGH      94F IN 1953
LOW       41F IN 1918
PRECIP    2.62 INCHES IN 1945
PEAK GUST 63 MPH NE IN 1967

RECORDS FOR JUNE 21
HIGH       92F  1949
LOW        42F IN 1940
PRECIP     1.40 INCHES IN 1903
PEAK GUST  51 MPH SSW IN 2000

TODAY'S REPORT BY: Andrew Hoell