BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 THURSDAY DECEMBER 19 2002 DISCUSSION FOR TODAY AT 1 P.M. Increasing southwest flow bringing in the much milder air today. Peak wind gusts have reached 34 MPH early this afternoon. Temperatures in the low 40's and still rising slowly with 100% of the bright sunshine so far today through 1 p.m. TODAY'S OBSERVATIONS... 12/19/2002 THU 7 a.m. BHO SA 1155 300 -SCT 20 235/26/8/2316/022/ K LYR ALG ALL HRZNS ESTMTD TOP 8 HND OVR CTY N/ 8/001/ 4/002 56008 10028 20025 10 a.m. BHO SA 1455 CLR 20 222/34/16/2212/019/ FEW CI HAZY THN K ALG HRZNS DSSPTNG/ 8/001/ 58013 1 p.m. BHO SA 1755 300 -SCT 35 179/41/22/2314G21/006/ FEW AC W-N LWR CI SW-NW LGT HAZE VSBY WNW 45/ 8/046/ 58043 10041 20026 THE DATA RECORDED FOR WEDNESDAY DECEMBER 18.. TEMPERATURES ARE CALENDAR DAY MIDNIGHT TO MIDNIGHT EASTERN STANDARD TIME MAX: 37 MIN: 16 ASOS MAX: 37 ASOS MIN: 16 MEAN: 27 [ - 3] NORMAL HIGH/LOW/MEAN: 38/23/30/ TOTAL DEPARTURE FOR DECEMBER TO DATE: - 82 degrees December is averaging 4.8 degrees colder than normal to date.... PRECIPITATION FOR 12/19 AS OF 7 A.M. 24 HRS ENDING 7 A.M.......0.00 INS. TOTAL FOR ASOS............0.00 INS. TOTAL FOR DECEMBER........4.10 INS. (STD GAGE ) ASOS DECEMBER TOTAL.......3.86 INS. DEPARTURE FROM NORMAL....+1.47 INS. (STD GAGE ) TOTAL SNOWFALL 24 HRS.....0.00 INS. DECEMBER SNOWFALL.........10.5 INS. SEASONAL SNOWFALL........ 20.0 INS. PRECIP. TOTAL YEAR 2002...50.70 INS. DEPARTURE FROM NORMAL.....+1.56 INS. WIND DATA FOR WEDNESDAY DECEMBER 18 2002 PEAK GUST ASOS: MM MPH M AT MM PEAK GUST 420C: 21 MPH NW AT 5:33 A.M. PEAK GUST AERO: 24 MPH NW AT 5:33 A.M. DEC. 2002 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA.... BELOW IS ORDER OF DATA REPORTED.... MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL /SUNSHINE/ OFFICIAL 420C WIND GUST Aero = Aerovane recording wind system gust when significant TSTM = thunderstorm day 12/1 35/21/28/-8/0/0/537/96/ 54 W Aerovane 53 MPH W 12/2 34/21/28/-8/000/00/006/01 29 SW 12/3 29/12/21/-14/0.08/1.2/547/98 44 NW Aerovane 50 MPH NW 12/4 28/11/20/-15/0/0/522/94 28 WNW 12/5 25/19/22/-13/0.28/3.7/000/00 22 NNW 12/6 28/21/25/- 9/0.11/1.7/000/00 22 NNW 12/7 37/20/29/-5/0/0/540/98 37 SSW 12/8 40/25/33/0/0/0/391/71/ 37 WNW Aerovane 41 MPH WNW 12/9 25/8/17/-16/0/0/545/99/ 35 NW Aerovane 39 MPH NW 12/10 37/17/27/-6/0/0/307/56/ 28 SW 12/11 40/25/33/+1/0.37/0/000/00 40 ENE Aerovane 41 MPH ENE lightning in cloud late evening 12/12 38/33/36/+4/0.87/T/000/00 44 NE Aerovane 46 MPH NE 12/13 44/32/38/+6/0.04/0/312/57 25 ENE 12/14 44/32/38/+7/1.94/0.2/000/00 53 ENE Aerovane 53 MPH ENE 12/15 43/34/39/+8/0/0/480/88 42 WNW Aerovane 45 MPH WNW 12/16 36/23/30/-1/0.41/3.7/000/00/ 31 N Aerovane 36 MPH N 12/17 25/17/21/-10/T/T/441/81/ 24 N 12/18 37/16/27/-3/0/0/.../.. 21 NW 12/19 morning low temp. 25 degrees... RECORDS FOR DECEMBER 19 HIGH 59 IN 1899 LOW -01 IN 1919 PRECIP 2.06 INS IN 1986 SNOWFALL 14.1 INS IN 1945 PEAK GUST 68e NE IN 1986 RECORDS FOR DECEMBER 20 HIGH 61 IN 1957 LOW -16 IN 1942 PRECIP 1.69 INS IN 1936 SNOWFALL 8.3 INS IN 1995 PEAK GUST 70e MPH WNW IN 1943 RECORDS FOR DECEMBER 21 HIGH 60 IN 1957 LOW -10 IN 1942 PRECIP 2.01 INS IN 1946 SNOWFALL 11.4 INS IN 1954 PEAK GUST 77 MPH SSE IN 1957 RECORDS FOR DECEMBER 22 HIGH 62 IN 1994 LOW - 5 IN 1921 PRECIP 1.52 INS IN 1945 SNOWFALL 8.8 INS IN 1975 PEAK GUST 62 MPH WNW IN 1998 RECORDS FOR DECEMBER 23 HIGH 62 IN 1990 LOW - 1 IN 1989 PRECIP 1.70 INS IN 1947 SNOWFALL 11.9 INS IN 1947 PEAK GUST 63 NE IN 1994 e = estimated Robert Skilling