BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 SUNDAY DECEMBER 22 2002 DISCUSSION FOR TODAY at 1:00 P.M. As compared to days previous, as winds are generally light and visibility is 65 miles. For the most part, the weather is very tranquil today at BHO. Not much happening today with sunshine as skies remain overcast, which has been the general trend over the past few days. The suncard for today has burned very little due to upper level cloudiness. Temperatures, however, are in the upper lower to mid 40's and are warmer than average for this time of year. Yesterday, during the time of 4:45 PM to 5:20 PM, we received some quick showers here at BHO that were recorded on the ombroscope; however, these showers were not measured by either ASOS or our standard rain gauge therefore we only received a trace of precipitation. TODAY'S OBSERVATIONS 7 A.M. BHO SA 1155 120 OVC 10 057/32/25/2111/970/ FEW BINOVC NE-S FEW SC SE VIRGA DSNT S VSBY W 10 N 15/ 8/57// 55006 10033 20031 10 A.M. BHO SA 1455 120 BKN E250 -OVC 60 055/39/22/2216/969/ FEW BINOVC ALQDS FEW SC ALQDS VSBY INCRSING RPDLY WND GRDLY VEERING/ 8/578/ 58002 1 P.M. BHO SA 1755 100 OVC 65 024/45/16/2518/960/ FEW BINOVC ALQDS FEW SC ALQDS VIRGA N SE-W PK WND 2526/1722/ 8/578/ 56031 10045 20032 THE DATA RECORDED FOR SATURDAY DECEMBER 21 TEMPERATURES ARE CALENDAR DAY MIDNIGHT TO MIDNIGHT EASTERN STANDARD TIME MAX: 43 MIN: 32 ASOS MAX: 43 ASOS MIN: 32 MEAN: 38 [ + 8] NORMAL HIGH/LOW/MEAN: 37/22/30/ TOTAL DEPARTURE FOR DECEMBER TO DATE: - 52 degrees DECEMBER AVERAGES 2.5 DEGREES BELOW NORMAL PER DAY PRECIPITATION FOR 12/22 AS OF 7 A.M. 24 HRS ENDING 7 A.M.......TRACE TOTAL FOR ASOS............0.00 IN TOTAL FOR DECEMBER........5.17 IN (STD GAUGE) ASOS DECEMBER TOTAL.......4.97 IN DEPARTURE FROM NORMAL....+2.10 IN (STD GAUGE) TOTAL SNOWFALL 24 HRS.....0.00 IN DECEMBER SNOWFALL.........10.5 IN SEASONAL SNOWFALL........ 20.0 IN PRECIP. TOTAL YEAR 2002...51.77 IN DEPARTURE FROM NORMAL.....+2.19 IN WIND DATA FOR SATURDAY DECEMBER 21 2002 PEAK GUST ASOS: 39 MPH W AT 2:29 P.M. PEAK GUST 420C: 40 MPH WSW AT 2:38 P.M. PEAK GUST AERO: 46 MPH WSW AT 2:38 P.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 42/25/34/4/0/0/.../../ 30 SW 12/20 59/37/48/18/1.07/0/.../../ 75 S 12/21 43/32/38/8/T/0/.../../ 40 WSW 12/22 MORNING LOW TEMPERATURE 31 DEGREES RECORDS FOR DECEMBER 22 HIGH 62F IN 1994 LOW -5F IN 1921 PRECIP 1.52' IN 1945 SNOWFALL 8.8' IN 1975 PEAK GUST 62 MPH WNW IN 1998 RECORDS FOR DECEMBER 23 HIGH 62F IN 1990 LOW -1F IN 1989 PRECIP 1.70' IN 1947 SNOWFALL 11.9' IN IN 1947 PEAK GUST 63 NE IN 1994 RECORDS FOR DECEMBER 24 HIGH 58F IN 1996 LOW -6F IN 1943 PRECIP 2.21' IN 1994 SNOWFALL 12.3' IN 1961 PEAK GUST 79e MPH SE IN 1941 e = estimated Happy Holidays, Andrew Hoell