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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
THURSDAY OCTOBER 24 2002

DISCUSSION FOR 10/24/2002....AT 2 P.M. (13E )

A few patches of yesterday's snowfall remained early this morning.  The total
snowfall was measured at 1.3 inches for the most this early in the season and
the most in any October since 1979.

THE OBSERVATIONS FOR TODAY....

10/24/2002 THU

8 a.m.
BHO SA 1155 CLR 80 294/31/25/3010/040/ MDT CU/SC LYR ALG/OFFSHR NE-ESE FEW 
CI DSNT SSE-SW TOTAL NEW SNW PST 24 HRS 1.2 INS/ 8/201/ 52016 70020
10031 20029

11 a.m.
BHO SA 1455 CLR 80 299/42/26/3406/041/ MDT CU/SC OFFSHR NE-SE FEW SC DSNT 
W-NW FEW CI DSNT SE-S/ 8/201/ 50005

2 p.m.
BHO SA 1755 CLR 90 287/46/25/3009/938/ FEW SC DSNT NW AND SC N AND OFFSHR 
FEW MDT CU/SC NE-SE FEW CI ALQDS VSBY ESTIMATE 100+ SM/ 8/501/ 57012 10047 
20031

THE DATA RECORDED FOR WEDNESDAY OCTOBER 23
TEMPERATURES ARE CALENDAR DAY MIDNIGHT TO MIDNIGHT
EASTERN STANDARD TIME

MAX:      43     MIN:      31
ASOS MAX: 43     ASOS MIN: 31
MEAN:     37     [-12]

NORMAL HIGH/LOW/MEAN: 58/41/50

OCTOBER DEPARTURE TO DATE: - 6 deg.

OCTOBER AVERAGE: 0.5 DEGREE COLDER THAN NORMAL

PRECIPITATION FOR 10/24 AS OF 8 A.M. EDT

24 HRS ENDING 8 A.M.......0.20 INS.
ASOS......................0.17 INS.
OCTOBER TOTAL  ...........2.44 INS.
DEPARTURE FROM NORMAL....-0.78 INS.
OCTOBER ASOS TOTAL........2.36 INS.

PRECIP. TOTAL YEAR 2002...37.92 INS.
DEPARTURE FROM NORMAL.....-2.90 INS.
ASOS TOTAL FOR 2002....... n/a

WIND DATA FOR WEDNESDAY OCTOBER 23, 2002

PEAK GUST ASOS:   25 MPH NNW AT 7:20 A.M.
PEAK GUST 420C:   25 MPH NNW AT 7:20 A.M.
PEAK GUST AERO:   28 MPH NNW AT 7:20 A.M.

OCT. 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 for daily sunshine...
TSTM = thunderstorm day
ASOS TWO MINUTE MAXIMUM WIND ON THE RIGHT FROM THE
ASOS IS  OUR AUTOMATED SURFACE OBSERVING SYSTEM (ASOS)

10/1  78/58/68/+11/0/649/92/    29 SW    "     "      = 23 SW
10/2  83/63/73/+16/0.01/618/88/ 27 WSW   "     "      = 21 WSW
10/3  69/50/60/+4/0.07/007/01/  28 ENE   "     "      = 21 NE
10/4  64/49/57/+1/0.01/028/04/  32 SE    "     "      = 26 SSE
10/5  78/54/66/+11/0.03/430/62/ 44 S     "     "      = 35 SSE  **
10/6  60/48/54/-1/0/683/99/     27 NE    "     "      = 20 ENE
10/7  68/49/59/+4/TRACE/206/30  31 NW    "     "      = 25 SSW  ***
10/8  57/42/50/-4/0/651/95/     23 NNW   "     "      = 17 NW
10/9  55/38/47/-7/0/007/01/     18 SE    "     "      = 14 SE
10/10 60/47/54/+1/0/204/30/     18 ESE   "     "      = 17 E
10/11 56/50/53/+0/0.18/000/00/  32 E     "     "      = 22 E
10/12 55/53/54/+1/0.44/000/00/  37 ENE   "     "      = 26 ENE
10/13 56/54/55/+2/0.35/000/00/  28 NE    "     "      = 20 NE
10/14 54/37/46/-6/0/655/98/     33 NW    "     "      = 26 NW
10/15 51/33/42/-10/0/473/71/    20 ESE   "     "      = 20 ESE
10/16 62/44/53/+2/1.08/000/00/  59 E     "     "      = 40 ENE  ****
10/17 62/43/53/+2/627/95/       43 WSW   "     "      = 35 W
10/18 55/41/48/-3/631/96/       27 WNW   "     "      = 21 W
10/19 59/41/50/T/203/31/        48 S     "     "      = 37 S  AERO 52 MPH S
10/20 56/41/49/-1/0/574/88/     31 W     "     "      = 25 W
10/21 52/34/43/-7/0/539/83/     25 W     "     "      = 20 NW
10/22 50/30/40/-10/0/466/72/    16 NW
10/23 43/31/37/-12/0.27/232/36/ 25 NNW                          snowfall 
1.3 ins.
10/24 morning low temp. 29 deg.

**   Aero peak gust 47 MPH S
***  Aero peak gust 36 MPH NW
**** Aero peak gust 60 MPH E

RECORDS FOR OCTOBER 24
HIGH       79 IN 1963
LOW        22 IN 1969
PRECIP     2.96 IN 1890
SNOWFALL   1.8 INS IN 1960
PEAK GUST  70 MPH SE IN 1959

RECORDS FOR OCTOBER 25
HIGH       81 IN 1963
LOW        26 IN 1922,1939
PRECIP     2.24 IN 1980
SNOWFALL   1.2 INS. IN 1960
PEAK GUST  72 MPH ESE IN 1980

e = estimated

Robert Skilling



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