BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA MONDAY APRIL 01 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....4/1/2002 RAINFALL 1.19 INCHES....MOST OF IT ON APRIL 1ST....(1.02 inches) The total rainfall was 1.19 inches in the standard gage and ASOS ended up with 1.11 inches by the time drizzle ended by mid-morning. March 2002 became the 8th consecutive month to have above normal temps. Precipitation was a half inch below normal. 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 TWO DAYS OF OBSERVATIONS... 3/31/2002 SUN EASTER SUNDAY 7 A.M. BHO SA 1155 E70 OVC 60 195/50/26/0907/011/ BINOVC DSNT WNW-NNW HIER CLDS VSB DSNT WNW-N VIRGA ALQDS VSBY NW 70 LWR NE-S/ 8/02// 50012 10053 20047 4/1/2002 MON 7 A.M. BHO SA 1155 W2 X 1/16R-F 030/40/40/0516G23/962/ PCPN VRY LGT WND 01V08 8///// 56039 6094/ 70118 10045 20040 10 A.M. BHO SA 1455 E3 OVC 2L-F 027/42/42/3010/961/ CIG RGD STRA DRFTG OVR AND BLO SMT VSBY SE 5 VSBY INCRSNG ALQDS PCPN VRY LGT/ 8/6/// 55003 6001/ 1 P.M. BHO SA 1755 E20 OVC 45 026/49/44/2616G23/961/ CIG RGD BINOVC/ 8/5/// 56001 6001/ 10049 20040 THE DATA RECORDED FOR SUNDAY MARCH 31... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT.... MAX : 62 MIN: 45 // ASOS MAX: 61 ASOS MIN: 45 NORMAL HIGH AND LOW: 50/32 MEAN 54 [ +13 ] TOTAL DEPARTURE FOR MARCH: + 85 degrees MARCH AVERAGED 2.4 DEGREES WARMER THAN NORMAL..... PRECIPITATION....ON 04/01 AS OF 7 A.M. 24 HRS ENDING 7 A.M. . 1.18 INS. ASOS......................1.10 INS. TOTAL FOR MARCH . .......4.25 IN. STD. GAGE DEP. FROM NORMAL.........-0.54 IN. ASOS MARCH TOTAL..........4.01 IN. PRECIP. TOTAL YEAR 2002: 11.21 IN. (std. gage )[ THRU 1 P.M. 4/1 ] DEPARTURE FROM NORMAL....-2.57 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 03/31... PEAK GUST ASOS: 23 MPH ESE AT 3:51 P.M. PEAK GUST 420C: 23 MPH SE AT 5:00 P.M. PEAK GUST AERO: 22 MPH ESE AT 4:10 P.M. MARCH 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/U/T/000/00/ 37 E ** 3/27 53/36/45/+5/U/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/ 3/31 62/45/54/+13/0.17/0/114/15/ 23 SE RECORDS FOR APRIL 01 HIGH 74 IN 1967 LOW 06 IN 1923 PRECIP 2.28 INS 1962 SNOWFALL: 15.0 INS. 1997 PEAK GUST 75 MPH SSW IN 1962 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 e = estimated Robert Skilling