BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA WEDNESDAY APRIL 24 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....4/24/2002....2 P.M. TWO DAYS AVERAGED 11 DEGREES COLDER THAN NORMAL... The past two days have each averaged 11 degrees colder than normal but April remains with a positive departure of + 5.5 degrees. TODAY'S OBS.... 4/24/2002 WED 8 A.M. BHO SA 1155 CLR 75 234/40/28/3209/022/ FEW AC DSNT NW/ 8/030/ 51021 10040 20033 11 A.M. BHO SA 1455 40 SCT 70 241/50/25/0406/024/ CU XCPT NE-E FEW MDT CU SEABREEZE BEGAN 40/ 8/200/ 50007 2 P.M. BHO SA 1755 60 SCT 80 SCT 65 240/53/27/0608/024/ CU/ACCU SE-W-N FEW MDT CU DSNT SE CLR SKY NE-E WND 02V08/ 8/260/ 58001 10054 20040 THE DATA RECORDED FOR TUESDAY APRIL 23... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT....EST MAX : 44 MIN: 31 // ASOS MAX: 44 ASOS MIN: 31 NORMAL HIGH AND LOW: 57/39 MEAN 38 [- 11] TOTAL DEPARTURE FOR APRIL TO DATE: +131 deg. THE APRIL TEMPERATURE IS 5.5 DEGREES ABOVE NORMAL..... PRECIPITATION....ON 04/24 AS OF 8 A.M. 24 HRS ENDING 8 A.M. . TRACE ASOS......................0.00 INS. TOTAL FOR APRIL TO DATE...1.98 INS. STD GAGE DEP. FROM NORMAL........- 1.40 INS. PRECIP. TOTAL YEAR 2002: 11.90 INS. DEPARTURE FROM NORMAL....-4.83 INS. SNOWFALL.... ON 04/24 AS OF 8 A.M. 24 HRS ENDING 7 A.M.... TRACE APRIL TOTAL SNOWFALL......0.6 INS. SEASONAL TOTAL TO DATE. 39.6 INS. WIND DATA....FOR 04/23... PEAK GUST ASOS: 24 MPH NW AT 5:38 P.M. EDT PEAK GUST 420C: 24 MPH NW AT 5:38 P.M. EDT PEAK GUST AERO: 27 MPH NW AT 5:38 P.M. EDT 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 low 33 this morning RECORDS FOR APRIL 24 HIGH 82 IN 2001 LOW 22 IN 1930 PRECIP 2.51 INS 1998 SNOWFALL: 1.2 INS. IN 1967 PEAK GUST 59 MPH NW IN 1962 ECORDS FOR APRIL 25 HIGH 80 IN 1942 LOW 24 IN 1892 PRECIP 1.38 INS 1901 SNOWFALL: TRACE IN 1891,1919,1940,1952,1963,1976,1987,1992 PEAK GUST 66 MPH SE IN 1968 e = estimated Robert Skilling