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BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186
ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA
TUESDAY JULY 09 2002

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DAILY DISCUSSION... 7/9/2002...2 P.M.

VERY THICK HAZE...MODERATELY HUMID...AND UPPER 80'S...to 90 degrees....

Thick haze has arrived today with visibility of 4 to 5 miles. Dewpoint 
temperatures have leveled off in the mid-60's; high temperature has reached 
90 by 2 p.m.
Note I'm still calling it a partial obscurement even early this afternoon.


OBSERVATIONS TODAY.....

7/9/2002 TUE

8 A.M.
BHO SA 1155 -X 150 -SCT 250 -SCT 4H 133/74/63/2311/992/ H2/ 8/041/ 56005 
10074 20070

11 A.M.
BHO SA 1455 -X 120 -SCT 5H 128/83/65/2311/991/ H1/ 8/030/ 58005

2 P.M.
BHO SA 1755 -X 110 SCT 150 SCT 200 SCT 300 -BKN 5H 116/89/65/2413/987/ H1
FEW CUFRA FRMG WND 21V28/ 8/132/ 58012 10090 20074


THE DATA RECORDED FOR MONDAY JULY 8TH...
TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT....
EASTERN STANDARD TIME...

MAX : 89  MIN: 64// ASOS MAX: 89  ASOS MIN: 63
NORMAL HIGH AND LOW: 80/61
MEAN  69 [+ 6 ]
TOTAL DEP. FOR JULY TO DATE: + 56 DEG.
JULY AVERAGE A VERY WARM 7 DEG. WARMER THAN NORMAL DAILY....

PRECIPITATION....ON 07/09 AS OF 8 A.M.

24 HRS ENDING 8 A.M.  .   0.00
ASOS......................0.00 INS.
JULY TOTAL................0.02 INS.
DEP. FRM NORMAL TO DATE..-0.96 INS.
JULY ASOS TOTAL...........0.02 INS.

PRECIP. TOTAL YEAR 2002: 24.64 INS.
DEPARTURE FROM NORMAL....-2.01 INS.
ASOS TOTAL FOR 2002:     23.40 INS.


WIND DATA....FOR MONDAY 7/08...

PEAK GUST ASOS:   24 MPH SW AT 4:39 P.M. EDT
PEAK GUST 420C:   27 MPH SW AT 4:39 P.M. EDT
PEAK GUST AERO:   26 MPH SW AT 4:39 P.M. EDT

JULY 2002 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA....
BELOW IS ORDER OF DATA REPORTED....
MAX/MIN/MEAN/DEP/PRECIP/SUNSHINE/ OFFICIAL 420C WIND GUST
Aero = Aerovane recording wind system gust when significantly higher
... data as yet not available
TSTM = thunderstorm day

7/1 88/63/76/+7/0/.../../ 29 W
7/2 91/71/81/+11/0/566/62/ 25 W
7/3 95/76/86/+16/0/.../../ 20 WNW ***
7/4 96/74/85/+15/0/.../../ 24 W
7/5 80/63/72/+2/0/.../../ 36 WNW
7/6 81/59/70/0/0.02/.../../ 30 N
7/7 74/63/69/-1/0/.../../ 22 W
7/8 89/64/77/+6/0/744/82/ 27 SW
7/9 morning low temp. 70 degrees...

*** 7/3 new record high min. temp. of 76; previous
record was 75 degrees in 1911.

RECORDS FOR JULY 09
HIGH   98 IN 1912
LOW    47 IN 1909
PRECIP 3.74 IN 1921
PEAK GUST 46 MPH NW IN 1992

RECORDS FOR JULY 10
HIGH   99 IN 1911
LOW    46 IN 1890
PRECIP 1.68 IN 1933
PEAK GUST 75 MPH W IN 1985

  e = estimated

Robert Skilling/Chris Balliro


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