BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA WEDNESDAY MARCH 20 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....3/20/2002 ACCUMULATING SNOW BY 2 P.M. TODAY.... Snow began here shortly after 1 p.m. and the temp. of 37 at 1 p.m. dropped 5 degrees to 32 at 2 p.m. as light snow continued. A snow accumulation of 0.1 was recorded by 2 p.m. but similar to the last snow event the snow was only accumulating on wood and grassy surfaces and car tops. The road and rocks are just wet. TODAY'S OBSERVATIONS.... 3/20/2002 WED 7 A.M. BHO SA 1155 E130 OVC 30 296/32/28/1408/040/ VIRGA FEW SC DSNT NW-N+SE-S SUN DMLY VSB VSBY SW-NW 20 SE 40/ 8/51// 56007 70002 10033 20031 10 A.M. BHO SA 1455 E130 OVC 35 280/35/24/1412G20/036/ FEW SC ALQDS VIRGA ALQDS SUN DMLY VSB VSBY HIER NE-SE/ 8/52// 56014 1 P.M. BHO SA 1755 E50 OVC 35 233/37/25/1414G22/022/ FEW STFRA FRMG VCNTY STN FEW SC NE-SE HIER CLDS VSB DSNT NE VIRGA ALQDS SNW SHIELD SW APPRCHNG STN VSBY SW 12 NE-SE 45/ 8/52// 58047 10037 20032 THE DATA RECORDED FOR TUESDAY MARCH 19.... TEMPERATURES.... MAX : 36 MIN: 31 // ASOS MAX: 36 ASOS MIN: 31 NORMAL HIGH AND LOW: 46/29 MEAN 34 [- 3] TOTAL DEPARTURE FOR MARCH TO DATE: + 72 degrees MARCH IS AVERAGING 3.5 DEGREES WARMER THAN NORMAL DAILY... PRECIPITATION....ON 03/20 AS OF 7 A.M. 24 HRS ENDING 7 A.M. . 0.02 IN. ASOS......................0.03 IN. TOTAL FOR MARCH . .......2.16 IN. STD. GAGE DEP. FROM NORMAL.........-0.75 IN. ASOS MARCH TOTAL..........2.09 IN. *** *** ASOS DATA NOT RELIABLE DUE UNSTABLE GAGE IN STRONG WINDS... the supporting base plate is cracked and the gage is rocking in strong winds...NWS has been notified... PRECIP. TOTAL YEAR 2002: 8.11 IN. (std. gage ) DEPARTURE FROM NORMAL....-3.64 IN. SNOWFALL.... ON 03/20 AS OF 7 A.M. 24 HRS ENDING 7 A.M.... TRACE MARCH TOTAL...............2.3 INS. SEASONAL TOTAL TO DATE. 34.5 INS. WIND DATA....FOR 03/19... PEAK GUST ASOS: 18 MPH NE AT 2:05 P.M. PEAK GUST 420C: 17 MPH NE AT 2:05 P.M. PEAK GUST AERO: 17 MPH NE AT 2:05 P.M. MARCH 2002 PRELIMINARY DATA.... MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUNSHINE/ WIND GUST 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/.../../ 28 NW 3/15 51/39/45/+9/0/0/.../../ 32 E 3/16 49/27/38/+2/0.45/0/.../../ 32 NNW 3/17 40/22/31/-6/0/0/.../../ 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 morning lo temp. 31 degrees... RECORDS FOR MARCH 20 HIGH 79 IN 1945 LOW 04 IN 1885 PRECIP 1.39 INS 1957 SNOWFALL: 11.4 INS. 1957 PEAK GUST 63 MPH SE IN 1975 RECORDS FOR MARCH 21 HIGH 81 IN 1921 LOW 02 IN 1885 PRECIP 2.67 INS 1974 SNOWFALL: 10.6 INS. 1958 PEAK GUST 72 MPH NE IN 1958 e = estimated Robert Skilling