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

DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, JUNE 5, 2004
ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted]

PARTLY SUNNY AND WARMER TODAY...
The first four days of June have averaged colder than
the 30-year normal, but today will average close to
normal for early June.  Cooler weather with clouds and
showers are expected overnight and on Sunday.  At 2 PM,
low clouds are beginning to appear along the southern
horizon as showers approach from the southwest.  Thin
and dense cirrus cover the sky in patches, with one
patch of cirrus dropping some ice crystal virga to the
southwest.


Today's observations:

8 A.M. EDT
Weather: Mostly cloudy with altostratus and cirrostratus
Temperature: 56F, Dewpoint: 43F, Wind: E 16 mph,
Sea-level pressure: 30.23 inches, rising
BHO SA 1155 150 SCT 180 BKN 250 OVC 75 237/56/43/0914/023/
FEW AC SE-NW BINOVC W-NNW SUN DMLY VSBL THN K LYR ALG HRZN
W-NNW/ 8/078 53007 10056 20054

11 A.M. EDT
Weather: Mostly cloudy with altocumulus and cirrus
Temperature: 65F, Dew Point: 40F, Wind: E 15 mph
BHO SA 1455 180 SCT 200 SCT 250 -OVC 60 240/65/40/0913/024/
FEW AC ALQDS/ 8/031 51003

2 P.M. EDT
Weather: Mostly sunny with dense and thin cirrus
Temperature: 67F, Dewpoint: 39F, Wind: E 17G25 mph,
Sea-level pressure: 30.22 inches, falling
BHO SA 1755 200 SCT 250 -BKN 65 233/67/39/0815G22/022/ DNS CI ALQDS
CI VIRGA SW FEW AC ALQDS LINE SC SSE-SW/ 8/232 58007 10068 20065


WEATHER SUMMARY FOR FRIDAY, JUNE 4:

TEMPERATURE (DEGREES F)
MAX.....72    NORMAL.....73    ASOS.....72 AT 4:35 P.M.
MIN.....47    NORMAL.....53    ASOS.....47 AT 5:00 A.M.
MEAN....60    NORMAL.....63
DEPARTURE FROM 30-YEAR NORMAL......-3
TOTAL DEPARTURE FOR THE MONTH.....-19  (-4.6 DEGREES/DAY)

HEATING DEGREE DAYS
TOTAL HEATING DEGREE DAYS FOR YESTERDAY........5   DEPARTURE.....+1
TOTAL HEATING DEGREE DAYS FOR THE MONTH.......30   DEPARTURE....+12
TOTAL HEATING DEGREE DAYS FOR THE SEASON....6243   DEPARTURE....-72
TOTAL HEATING DEGREE DAYS FOR LAST SEASON...6812   DIFFERENCE..-569

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY........21 S AT 6:05 P.M.*
                   AEROVANE.........24 S AT 6:03 P.M.
                   ASOS.............21 S AT 6:06 P.M.
FASTEST MILE FOR YESTERDAY..........16 NW AT 3:19 A.M.*
MAXIMUM 2-MINUTE ASOS AVERAGE.......16 SSW AT 8:01 P.M.
AVERAGE WIND SPEED AND DIRECTION..10.3 WNW
                   ASOS............9.9
*Last of several occurances.

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..........0.61   DEPARTURE....+0.09
                         ASOS..............0.60
TOTAL PRECIPITATION FOR THE YEAR..........21.53   DEPARTURE....-0.73
                         ASOS.............19.97


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/.../..        31 MPH WNW TSTM
6/3  72/50/62/ -1/0.21/.../..        40 MPH NW  TSTM  Aerovane 46 MPH NW
6/4  72/47/60/ -3/   0/.../..        21 MPH S
6/5  overnight low 54


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

RECORDS FOR JUNE 5
HIGH 95F IN 1930
LOW  41F IN 1891
PRECIP 2.83 INS IN 1982
PEAK GUST 57 MPH NNW IN 1988

RECORDS FOR JUNE 6
HIGH 95F IN 1925
LOW  42F IN 1885, 1894, 1920, 1945
PRECIP 3.61 INS IN 2000
PEAK GUST 58 MPH NE IN 2000

TODAY'S REPORT BY: Mike Iacono