BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA TUESDAY APRIL 02 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....4/2/2002 STRONG WEST WINDS ON APRIL 1ST GUST PAST 50 MPH....[ 50 TO 58 MPH ] Our official peak gusts included 54 MPH W on 420C wind system and 52 MPH W on ASOS. Unofficially a peak of 58 MPH was recorded on Maximum, Inc. Maestro. The highest winds occurred during the late afternoon. The fastest hourly average was 32 MPH W from 5 to 6 p.m. The lowest pressure was 29.59 inches occurring at 2:22 p.m. THE MARCH 2002 STATS... Mean temp: 38.7 [ + 2.4 ] (24 hour corr. mean = 38.0 or 3.9 above record mean ) High: 67/9th Low: 14/22nd HDD = 806 [ -84 ] HDD Season: 4443 [ -1063 ][ this departure is greatest on record for any season] Precip: 4.25 ins. [ - 0.54 ] Snowfall: 6.8 [ - 4.9 ] Sunshine: 46%, normal 48% Prevailing wind: WNW 13% Av. Sea Level Pressure: 30.14 ins. Peak Gust Aerovane: 74 MPH S on 10th Peak Gust 420C: 71 MPH S on 10th TODAY'S OBS..... 4/2/2002 TUE 7 A.M. BHO SA 1155 CLR 45 182/35/24/2513G19/007/ PTCH AC FEW ACSL SSW-SW AND W-NW FEW CI DSNT S AND CI DSNT NW-N LGT HAZE ALQDS WND GRDLY BACKING/ 8/041/ 53029 70001 10038 20033 10 A.M. BHO SA 1455 CLR 65 186/46/22/2811/008/ AC NW-NE FEW CI/ 8/041/ 50004 1 P.M. BHO SA 1755 CLR 75 174/55/22/2212G21/004/ FEW ACSL W-NW CI NW-N WND 18V27/ 8/041/ 56012 10055 20035 THE DATA RECORDED FOR MONDAY APRIL 1... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT.... MAX : 56 MIN: 38 // ASOS MAX: 56 ASOS MIN: 38 NORMAL HIGH AND LOW: 51/32 MEAN 47 [ + 6 ] TOTAL DEPARTURE FOR MARCH: + 85 degrees MARCH AVERAGED 2.4 DEGREES WARMER THAN NORMAL..... PRECIPITATION....ON 04/02 AS OF 7 A.M. 24 HRS ENDING 7 A.M. . 0.01 INS. ASOS......................0.02 INS. TOTAL FOR APRIL TO DATE...1.02 INS. STD GAGE TOTAL FOR MARCH . .......4.25 IN. STD. GAGE DEP. FROM NORMAL.........-0.54 IN. ASOS MARCH TOTAL..........4.01 IN. PRECIP. TOTAL YEAR 2002: 11.22 IN. DEPARTURE FROM NORMAL....-2.56 IN. SNOWFALL.... ON 04/01 AS OF 7 A.M. 24 HRS ENDING 7 A.M.... 0.0 INS. MARCH TOTAL...............6.8 INS. SEASONAL TOTAL TO DATE. 39.0 INS. WIND DATA....FOR 04/01... PEAK GUST ASOS: 52 MPH W AT 5:22 P.M. PEAK GUST 420C: 54 MPH W AT 5:22 P.M. / 4:42 P.M. PEAK GUST AERO: 53 MPH W AT 5:22 P.M. MARCH & APRIL 2002 PRELIMINARY DATA....ALL CALENDAR DAY DATA.... MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUNSHINE/ OFFICIAL 420C WIND GUST Aero = Aerovane recording wind system 3/01 42/23/33/+1/0/0/664/99/ 32 W 3/02 47/31/39/+7/0.02/0/305/45/ 32 SSE 3/03 56/37/47/+15/0.89/0/000/00/ 58 SSE (Aero 61 MPH S ) 3/04 43/20/32/-1/0/0/477/70/ 38 WNW 3/05 32/16/24/-9/0/0/679/99/ 33 WNW 3/06 50/23/37/+4/T/T/158/23/ 44 SW 3/07 51/36/44/+11/0/0/491/71/ 26 ENE 3/08 42/35/39/+5/0/0/028/04/ 25 E 3/09 67/38/53/+19/0.04/0/404/58/ 46 S 3/10 58/25/42/+8/0.43/T/455/65/ 71 S (Aero 74 MPH S ) 3/11 38/22/30/-5/0/0/682/97/ 42 W 3/12 45/29/37/+2/T/0/000/00/ 30 SSW 3/13 44/35/40/+5/0.06/0/113/16/ 22 NNE 3/14 61/38/50/+14/0/0/675/95/ 28 NW 3/15 51/39/45/+9/0/0/114/16/ 32 E 3/16 49/27/38/+2/0.45/0/000/00/ 32 NNW 3/17 40/22/31/-6/0/0/475/66/ 18 NE 3/18 33/29/31/-6/0.21/2.1/000/00/ 30 E 3/19 36/31/34/-3/0.06/0.2/000/00/ 17 NE 3/20 37/31/34/-4/0.73/4.0/000/00/ 39 SSE 3/21 51/30/41/+3/0/0/687/94/ 46 WNW 3/22 34/14/24/-14/T/T/653/89/ 53 WNW 3/23 41/20/31/-7/0/0/694/94/ 42 WSW 3/24 49/30/40/+1/0/0/570/77/ 40 W 3/25 43/29/36/-3/0.04/0.5/416/56/ 24 NE 3/26 46/31/39/0/0.55/T/000/00/ 37 E 3/27 53/36/45/+5/0.47/0/000/00/ 44 S 3/28 54/30/42/+2/0/0/721/96/ 30 NW 3/29 57/34/48/+6/0/0/604/80/ 35 SSE 3/30 61/41/51/+11/0.13/0/061/08/ 54 S 3/31 62/45/54/+13/0.17/0/114/15/ 23 SE 4/1 56/38/47/+6/1.02/0/244/32/ 54 W RECORDS FOR APRIL 02 HIGH 77 IN 1967 LOW 14 IN 1919 PRECIP 1.83 IN IN 1970 SNOWFALL: 13.0 INS. 1887 PEAK GUST 76 MPH SSW IN 1970 RECORDS FOR APRIL 03 HIGH 76 IN 1892 LOW 16 IN 1894 PRECIP 2.18 INS 1990 SNOWFALL: 8.0 INS. 1915 PEAK GUST 83e MPH NW IN 1977 e = estimated Robert Skilling