<x-flowed>
BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186
ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA
TUESDAY APRIL 30 2002

PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/

DAILY DISCUSSION.....4/30/2002....2 P.M.

STRETCH OF 8 DAYS COLDER THAN NORMAL...LEAVES MONTH ABOUT 2.6 DEGREES
ON THE WARM SIDE OF NORMAL....
LIGHT PRECIPITATION YESTERDAY TOTALS 0.10 INCH FROM 8 A.M. YESTERDAY
TILL THIS MORNING...

The warmer than normal temperatures of earlier in April which saw a 
departure of
almost 8 degrees at one point have decreased to only about 2.6 degreees on the
plus side thru the 29th.
Light precipitation yesterday and the monthly total is now 3.31 inches; normal
for the month is 4.32 inches....

TODAY'S OBS....

4/30/2002 TUE

8 a.m.

BHO SA 1155 E4 BKN 120 BKN 250 OVC 20 105/36/36/3107/984/ CIG RGD
PTCHS STRA DRFTG BLO SMT OTHN SPTS AND OCNL BINOVC VSBY SE-SW 15 NE-SE 25/
8/631/ 51017 6000/ 70010 10036 20033

11 a.m.
BHO SA 1455 30 SCT 250 SCT 55 102/46/33/3110/983/ FEW MDT CU/ 8/201/ 58003

BHO SA 1755 60 SCT E65 OVC 55 090/51/26/2606/980/ BINOVC ALQDS
CLR SKY OFFSHR NE-SE/ 8/400/ 56012

THE DATA RECORDED FOR MONDAY APRIL 29....

TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT....EST

MAX : 41  MIN: 33 // ASOS MAX: 41  ASOS MIN: 33
NORMAL HIGH AND LOW: 60/41
MEAN  37 [ -15 ]
TOTAL DEPARTURE FOR APRIL TO DATE:  +83 degrees...

THE APRIL TEMPERATURE IS 2.6 DEGREES WARMER THAN NORMAL.....


PRECIPITATION....ON 04/30 AS OF 8 A.M.

24 HRS ENDING 8 A.M.  .   0.10 INS
ASOS......................0.09 INS.
TOTAL FOR APRIL TO DATE...3.31 INS. STD GAGE
DEP. FROM NORMAL........- 0.88 INS.

PRECIP. TOTAL YEAR 2002: 13.51 INS.
DEPARTURE FROM NORMAL....-4.31 INS.

SNOWFALL.... ON 04/30 AS OF 8 A.M.
24 HRS ENDING 7 A.M....   0.0 INS.
APRIL TOTAL SNOWFALL......1.3 INS.
SEASONAL TOTAL TO DATE.  40.3 INS.

WIND DATA....FOR 04/29...

PEAK GUST ASOS:   31 MPH NNE AT 12:21 A.M. EST
PEAK GUST 420C:   37 MPH NNE AT 12:21 A.M. EST
PEAK GUST AERO:   35 MPH NNE AT 12:21 A.M. EST

APRIL 2002 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA....
MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUNSHINE/ OFFICIAL 420C WIND GUST
Aero = Aerovane recording wind system

4/1  56/38/47/+6/1.02/0/244/32/ 54 W (Aero 53 MPH W )
4/2  59/33/46/+4/0/0/582/76/ 37 W
4/3  66/36/51/+9/0.16/0/138/18/ 43 S (Aero 45 MPH WNW )
4/4  48/31/40/-2/0/0/694/90/ 31 WNW
4/5  44/26/35/-8/0.02/0.6/410/53/ 22 NNW
4/6  45/28/37/-6/T/T/389/50/ 31 NW
4/7  46/23/35/-8/0/0/741/95/ 29 NNW
4/8  55/36/46/+2/0.01/0/023/03/ 32 S
4/9  69/46/58/+14/T/0/440/56/ 46 SSW
4/10 65/47/56/+12/0.12/0/638/81/ 32 NW
4/11 52/38/45/0/0/0/751/95/ 28 E
4/12 65/37/51/+6/0/0/746/94/ 40 S
4/13 74/53/64/+19/T/0/207/26/ 40 SW
4/14 76/53/65/+19/0.06/0/647/81/ 39 W
4/15 62/44/53/+7/0.10/0/209/26/ 22 SSW
4/16 86/44/65/+19/0/0/539/67/ 21 SSW
4/17 93/51/72/+25/0/0/646/80/ 51 NE (new daily record max. temp. )
4/18 72/45/59/+12/0.17/0/583/72/ 24 NNW
4/19 78/44/61/+14/0.02/0/260/32/ 31 SSW
4/20 68/45/57/+9/T/0/196/24/ 27 N
4/21 56/40/48/0/0/0/450/55/ 33 WNW
4/22 40/35/38/-11/0.27/T/000/00/ 30 E
4/23 44/31/38/-11/0.02/T/.../../ 24 NW
4/24 54/33/44/-5/0/0/761/92/ 22 E
4/25 57/32/45/-5/0.75/0.7/.../../ 42 S
4/26 50/31/41/-9/0/0/.../../ 46 WNW
4/27 58/32/45/-5/0/0/.../../ 30 WNW
4/28 47/37/42/-9/0.44/0/000/00/ 47 ESE
4/29 41/33/37/-15/0.14/0/000/00/ 37 NNE
4/30 morning lo 33 degrees....

RECORDS FOR APRIL 30
HIGH   86 IN 1942
LOW    30 IN 1931
PRECIP 1.41 INS 1991
SNOWFALL: 0.3 INS. IN 1909
PEAK GUST 64e MPH NW IN 1978

e = estimated

Robert Skilling 


</x-flowed>