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

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, JULY 4, 2004
ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted]

Today's observations:

7 AM
BHO SA 1155 250 -SCT 12 176/67/60/0103/005/
K LYR ALNG HRZN E-S-W-N WND LGT HAZY/ 8/001 51014 10067 20059

10 AM
BHO SA 1455 250 -SCT 25 179/76/62/0608/006/
K LYR DISSIPATING W-N SC FRMNG SW-NW WND LGT HAZY/ 8/001 50003

1 PM
BHO SA 1755 35 SCT 200 SCT 250 -BKN 40 170/80/57/0508/003/
K LYR ABV HRZN N-NE WND LGT HAZY/ 8/501 58009 10080 20067


WEATHER SUMMARY FOR SATURDAY, JULY 3:

TEMPERATURE (DEGREES F)
MAX.....80    NORMAL.....70    ASOS.....79 AT 4:49 P.M.
MIN.....59    NORMAL.....60    ASOS.....59 AT 5:22 A.M.
MEAN....70    NORMAL.....70
DEPARTURE FROM 30-YEAR NORMAL......+0
TOTAL DEPARTURE FOR THE MONTH......+3  (+1.0 DEGREES/DAY)

HEATING DEGREE DAYS
TOTAL HEATING DEGREE DAYS FOR YESTERDAY........0   DEPARTURE.....-1
TOTAL HEATING DEGREE DAYS FOR THE MONTH........0   DEPARTURE.....-2
TOTAL HEATING DEGREE DAYS FOR THE SEASON.......0   DEPARTURE.....-2
TOTAL HEATING DEGREE DAYS FOR LAST SEASON......0   DIFFERENCE.....0

FINAL HEATING DEGREE DAYS FOR THE SEASON....6291   DEPARTURE....-80 *
*Final figures for the 2003-2004 season ending June 30th.

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY........21 NNW AT 1:58 A.M.
                   AEROVANE.........23 NNW AT 1:58 A.M.
                   ASOS.............18 NNW AT 1:59 A.M.
FASTEST MILE FOR YESTERDAY..........15 NNW AT 2:00 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE.......15 NNW AT 2:02 A.M.
AVERAGE WIND SPEED AND DIRECTION...8.0 NNW
                   ASOS............8.9

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00   DEPARTURE....-0.12
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........0.99   DEPARTURE....+0.61
                         ASOS..............1.01
TOTAL PRECIPITATION FOR THE YEAR..........23.86   DEPARTURE....-2.19
                         ASOS.............22.27


PRELIMINARY CLIMATE SUMMARY FOR JULY 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

7/1  82/62/72/+2/0.06/.../..    29 MPH S  TSTM/HAIL
7/2  83/59/71/+1/0.93/.../..    45 MPH W  TSTM/HAIL (AERO 44 MPH W)
7/3  80/59/70/+0/0.00/.../..    21 MPH NNW
7/4  MORNING LOW 59F

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

RECORDS FOR JULY 4
HIGH      98F IN 1911, 1919, 1949
LOW       48F IN 1914
PRECIP    1.78 INCHES IN 1950
PEAK GUST 50e MPH WNW IN 1949

RECORDS FOR JULY 5
HIGH      98F IN 1911
LOW       48F IN 1920,1927
PRECIP    1.45 INCHES IN 1922
PEAK GUST 49e MPH N IN 1944

TODAY'S REPORT BY: Andy Hoell