BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA THURSDAY MARCH 21 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....3/21/2002 FINAL SNOWFALL TOTAL FOR YESTERDAY....4.0 INCHES ON THE SUMMIT... TOTAL PRECIPITATION WAS 0.73 INCH IN STANDARD GAGE (ASOS = 0.59 INCH ) Yesterday's snowfall varied with elevation so that while here on the summit we had 4.0 inches, our Milton observer,a couple of miles to the northeast of the Observatory, recorded 3.1 inches. Our Walpole observer had 2.8 inches and nearer the coast in Hingham, there was just 1.5 inches of snow. A report of close to 7 inches was received from our observer in Pepperell, MA. TODAY'S OBSERVATIONS.... 3/21/2002 THU 7 A.M. BHO SA COR 1155 300 -SCT 50 125/33/29/3210/990/ FEW SC DSNT W-NW VSBY LWR W-NW TOTAL NEW SNW PST 24 HRS 4.0 INS/ 8/001/ 4/003 51028 70073 10033 20030 10 A.M. BHO SA 1455 CLR 50 127/39/28/3108/991/ FEW SC W-N-SE CI/CS LYR XTDNG ESE-S-SW/ 8/508/ 50002 1 P.M. BHO SA 1755 250 SCT 50 106/45/28/3105/984/ FEW SML SC CI/CS LYR SE-SW AND DSNT NW-N WND L/V/ 8/508/ 58021 10045 20033 THE DATA RECORDED FOR WEDNESDAY MARCH 20... TEMPERATURES.... MAX : 37 MIN: 31 // ASOS MAX: 37 ASOS MIN: 31 NORMAL HIGH AND LOW: 46/29 MEAN 34 [- 4] TOTAL DEPARTURE FOR MARCH TO DATE: + 68 degrees MARCH IS AVERAGING 3.2 DEGREES WARMER THAN NORMAL DAILY... PRECIPITATION....ON 03/21 AS OF 7 A.M. 24 HRS ENDING 7 A.M. . 0.73 IN. ASOS......................0.59 IN. TOTAL FOR MARCH . .......2.89 IN. STD. GAGE DEP. FROM NORMAL.........-0.18 IN. ASOS MARCH TOTAL..........2.72 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: 8.84 IN. (std. gage ) DEPARTURE FROM NORMAL....-3.07 IN. SNOWFALL.... ON 03/21 AS OF 7 A.M. 24 HRS ENDING 7 A.M.... 4.0 INS. MARCH TOTAL...............6.3 INS. SEASONAL TOTAL TO DATE. 38.5 INS. WIND DATA....FOR 03/20... PEAK GUST ASOS: 36 MPH SSE AT 1:29 P.M. PEAK GUST 420C: 39 MPH SSE AT 1:29 P.M. PEAK GUST AERO: 39 MPH SSE AT 1:29 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/-6/0/0/475/66/ 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 morning lo temp. 30 deg. 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 RECORDS FOR MARCH 22 HIGH 71 IN 1948 LOW 03 IN 1885 PRECIP 3.48 INS 2001 SNOWFALL: 8.7 INS. 1967 PEAK GUST 84e MPH E IN 1977 e = estimated Robert Skilling