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

DAILY CLIMATE SUMMARY
WEDNESDAY, JULY 7, 2004
ALL TIMES ARE IN EASTERN DAYLIGHT TIME [unless otherwise noted]

TODAY'S DISCUSSION...

Beautiful sunny and normally warm day today with temperatures approaching
the 80-degree mark early this afternoon despite a light seabreeze in control.
Today's average temperature should come out very close to normal.

TODAY'S OBS...

7/7/2004 WED

8 a.m.  clear with 35 miles visibility; 45 miles wnw and temp. 68; dewpoint 
58;
wind nne 6 mph; six hourly low temp. 63 deg...

BHO SA 1155 CLR 35 135/68/58/0305/993/ FEW SC/SCC ALQDS
THN K LYR ALG HRZN W-NW LGT HZ ALQDS VSBY WNW 45/
8/500 51004 10068 20063

11 a.m. scattered clouds with 40 miles visibility and 55 miles
visibility to the west and northwest; temp. 74; dewpoint 58;
wind wnw at 03 mph...

BHO SA 1455 30 SCT 40 132/74/58/E3002/992/ MDT CU ALQDS LGT HZ
VSBY W-NW 55 WND LGT/ 8/200 57003

2 p.m. scattered clouds with 40 miles visibility and 55 miles
to the west and northwest and 25 miles northeast-east; temp.
77 and dewpoint 62; wind nne at 08 mph and variable from
nnw to ene; six hourly maximum temp. 78 deg.

BHO SA 1755 42 SCT 40 127/77/62/0307/990/ CU XCPT NE-E FEW CI DSNT SSW-SW
LGT HZ VSBY NE-E 25 W-NW 55 WND 34V06/ 8/101 58005 10078 20068

WEATHER SUMMARY FOR TUESDAY JULY 06:
TIMES: EASTERN DAYLIGHT TIME

TEMPERATURE (DEGREES F)
MAX.....79    NORMAL.....80    Hazen shelter: 78.5... @  12:58 p.m.
MIN.....65    NORMAL.....61    Hazen shelter: 65.0... @  11:59 p.m.*
MEAN....72    NORMAL.....71

*EASTERN STANDARD TIME

DEPARTURE FROM 30-YEAR NORMAL...... +  1
TOTAL DEPARTURE FOR THE MONTH...... -  1

JULY IS AVERAGING 0.4 COOLER THAN NORMAL...

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY........22 NW   AT  1:16 p.m.
                    AEROVANE.........25 NW   AT  1:16 p.m.
                    ASOS.............21 WNW  AT  1:21 p.m.
                    DAVIS............24 NW   AT  1:20 p.m.
MAXIMUM 2-MINUTE ASOS AVERAGE.......16 NW   AT  1:21 p.m.
OUR FASTEST MILE FOR YESTERDAY......16 MPH NW AT 1:11 p.m.


OUR AVERAGE WIND SPEED/DIRECTION....   7.5  WNW
ASOS AVERAGE WIND SPEED.............   7.7  NW [310 deg ]
DAVIS AVERAGE WIND SPEED/DIRECTION..   7.8  NW [328 deg ]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT)
TOTAL PRECIPITATION 24 HRS ENDING 8 A.M.... T     DEPARTURE....- 0.12
                          ASOS..............0.00 

TOTAL PRECIPITATION FOR THE 
MONTH..........2.28   DEPARTURE....+1.54
                          ASOS..............2.31 

TOTAL PRECIPITATION FOR THE 
YEAR..........25.15   DEPARTURE....-1.26
                          ASOS.............23.57 


PRELIMINARY CLIMATE SUMMARY FOR JULY 2004......CALENDAR DAY DATA
DATA REPORTED: 24 HOUR PERIODS ENDING MIDNIGHT EST
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/T/.../..       29 MPH S TSTM trace of small 
hail
7/2 83/59/71/+1/0.93/T/.../..        45 MPH W TSTM  trace of hail *
7/3 80/59/70/0/0/.../..              21 MPH NNW
7/4 81/59/70/0/0/.../..              23 MPH SSE
7/5 69/63/66/-5/1.29/000/00             33 MPH S
7/6 79/65/72/+1/T/.../..                  22 MPH NW

7/7 ...MORNING LOW 63

7/2.. * short period rainfall 0.41 in 3 mins.; 0.50 in 5 mins.;
0.80 in 10 mins. 0.86 in 15 mins....

DAILY EXTREMES

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

RECORDS FOR JULY 07
HIGH 97F IN 1908,1993
LOW 48F IN 1902
PRECIP 2.11 INCHES IN 1966
PEAK GUST 55 MPH NW IN 1989

RECORDS FOR JULY 08
HIGH 95F IN 1981
LOW 50F IN 1919
PRECIP 1.74 INCHES IN 1916
PEAK GUST 46e SSW IN 1941

RECORDS FOR JULY 09
HIGH 98F IN 1912
LOW 47F IN 1909
PRECIP 3.74 INS IN 1921
WIND 46 MPH NW IN 1992

RECORDS FOR JULY 10
HIGH 99F IN 1911
LOW 46F IN 1890
PRECIP 1.68 INS IN 1933
WIND 75 MPH W IN 1985

TODAY'S REPORT BY:  Kim Jeffs/Robert Skilling