BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 TUESDAY DECEMBER 16, 2003 DAILY DISCUSSION Gradually increasing high clouds today but seasonable temperatures rising from the low 20's to the upper 30's. Our monthly precipitation total has reached almost 7 inches after three storms have left over one inch of precipitation and one left 3.54 inches. Snowfall of almost 30 inches is 4th greatest on the December record. TODAY'S OBSERVATIONS.... 12/16/2003 TUE 7 a.m. high thin clouds with 50 miles visibility; temp 23; wind west at 16 mph... BHO SA 1155 180 -SCT 250 -SCT 50 194/23/16/2614/010/ FEW CC/ 8/019/ 4/004 53026 MANUAL 70002 ASOS 70000 10025 20022 10 a.m. high thin scattered clouds with 70 miles visibility; temp. 29; wind west at 17 mph... BHO SA 1455 250 -SCT 70 214/29/17/2715/016/ FEW LWR CC SW THN K LYR ALG HRZNS/ 8/001/ 53020 1 p.m. high thin broken clouds with 60 to 70 miles visibility; temp. 38; wind west 12 mph... BHO SA 1755 220 SCT 250 -BKN 300 -BKN 60 208/38/19/2710/014/ FEW CC THN KH ALG HRZNS VSBY NW 70/ 8/001/ 56008 10038 20023 THE DATA RECORDED FOR MONDAY DECEMBER 15 TEMPERATURES ARE CALENDAR DAY MIDNIGHT TO MIDNIGHT EASTERN STANDARD TIME MAX: 39 MIN: 25 ASOS MAX: 39 ASOS MIN: 25 MEAN: 32 [ + 1 ] TOTAL DEPARTURE FOR DECEMBER TO DATE: - 80 DEGREES (-5.5 DEGREES/DAY) PRECIPITATION UPDATED ON 12/16 at 7 A.M. 24 HRS ENDING 7 A.M..........0.02 IN [STANDARD GAGE] TOTAL FOR ASOS...............0.00 IN DECEMBER ASOS TOTAL..........6.26 IN TOTAL FOR DEC TO DATE........6.81 IN [STANDARD GAGE] DECEMBER DEPARTURE TO DATE..+3.50 IN TOTAL 2003 PRECIPITATION....56.39 IN DEPARTURE FROM AVERAGE......+7.34 IN SNOWFALL UPDATED ON 12/16 at 7 A.M. 24 HRS ENDING 7 A.M..........0.0 INS TOTAL FOR DECEMBER..........29.7 INS TOTAL FOR 2003-2004 SEASON..30.2 INS WIND DATA FOR MONDAY DECEMBER 15 2003 PEAK GUST ASOS: 55 MPH W AT 5:15 P.M. PEAK GUST AERO: 66 MPH WNW AT 3:38 P.M. PEAK GUST 420C: 61 MPH WNW AT 3:38 P.M. FASTEST 2-MINUTE MILE BY ASOS: 41 MPH WNW AT 4:46 P.M. DECEMBER 2003 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA.... BELOW IS THE ORDER OF DATA REPORTED.... MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUNSHINE/ OFFICIAL 420C WIND GUST/ AERO GUST Aero = Aerovane recording wind system gust when significant TSTM = thunderstorm day .../.. no sunshine data yet available 12/1 49/29/39/+3/0/0/342/61/ 59 WNW Aero 60 mph WNW 12/2 31/12/22/-14/0.02/0.3/301/54/ 46 WNW Aero 49 mph NW 12/3 27/10/19/-16/0/0/551/99 33 WNW Aero 36 mph WNW 12/4 36/15/26/-9/T/0.1/.../.. 25 W 12/5 29/13/21/-14/0.10/1.0/.../.. 44 ENE 12/6 31/21/26/-9/2.78/17.0/000/00 58 NNE 12/7 26/22/24/-10/0.66/6.3/000/00 46 NW 12/8 33/20/27/-6/0/0/.../.. 35 WNW 12/9 35/19/27/-6/0/0/.../.. 17 N 12/10 37/30/34/+1/0/0/000/00 27 ESE 12/11 53/37/45/+13/1.10/0/000/00 58 SSE Aero 58 MPH SSE 12/12 39/26/33/+1/0/0/.../.. 51 W 12/13 29/17/23/-9/0/0/.../.. 33 WNW 12/14 37/12/25/-6/1.20/5.0/000/00 59 E Aero 61 MPH E 12/15 39/25/32/+1/0.95/0/.../.. 61 WNW Aero 66 MPH WNW 12/16 morning lo 22 deg. NEW DAILY RECORD HAVE BEEN ESTABLISHED THIS MONTH.... 12/6....17.0 inches of snow; old record 12.0 ins in 1886, 1981 12/6....2.78 of melted precipitation; old record 2.36 in 1945 ** 12/7.... 6.3 inches; old record 4.0 in 1886 ** this has been corrected from 2.68 inches OUR DAILY EXTREMES RECORDS FOR DECEMBER 16 HIGH 61 IN 1971 LOW -02 IN 1930 PRE 1.67 INS. IN 1960 SNOW 7.0 INS. IN 1896 WIND 73 MPH SSE IN 1982 RECORDS FOR DECEMBER 17 HIGH 63 IN 2000 LOW -10 IN 1942 PRECIP 3.03 INS. IN 1888 SNOWFALL 7.5 INS. IN 1988 PEAK GUST 78 MPH SSE IN 2000 e = estimated Today's Report By: Robert Skilling