BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 FRIDAY JANUARY 17 2003 TODAY'S DISCUSSION After light snow this morning, clouds cleared relatively quickly and a milky sky has dominated ever since. Wind speeds this morning were very slow as the hour from 5 A.M. to 6 A.M. averaged only 1 MPH! Since that 1 MPH early this morning, wind speeds have moderated to around 6 MPH and will likely increase later this afternoon. At 7 A.M. this morning, 0.5 inches of snow was measured on the ground, which amounted to 0.03 inches liquid equivalent. Shortly after 7:00 A.M., the last of the snow ended and an additional 0.02 inches of snow fell, which amounted to 0.01 inches of liquid equivalent. The record low minimum temperature for tomorrow, 1/18, is 9F set 1977. TODAY'S OBSERVATIONS 7 A.M. BHO SA 1155 W2 X1 1/2S-F 093/19/18/3206/980/ TOTAL NEW SNW PST 24 HRS 0.5 IN/ 8///// 4/006 56014 6003/ 70003 ASOS 60001 70001 10022 20019 10 A.M. BHO SA 1455 160 BKN 30 072/22/17/3508/974/ FEW CU/SC ALQDS FEW CI N-NE TOTAL NEW SNW PST 3 HRS 0.2 IN HAZY/ 8/571/ 56021 6001/ THE DATA RECORDED FOR THURSDAY JANUARY 16 TEMPERATURES ARE CALENDAR DAY MIDNIGHT TO MIDNIGHT EASTERN STANDARD TIME MAX: 25 MIN: 13 ASOS MAX: 25 ASOS MIN: 13 MEAN: 19 [ - 7 ] NORMAL HIGH/LOW/MEAN: 33/18/26 TOTAL DEPARTURE FOR JANUARY TO DATE IS -12 DEGREES PRECIPITATION FOR 01/17 UPDATED AS OF 10 A.M. 24 HRS ENDING 7 A.M...........0.04 IN TOTAL FOR ASOS................0.02 IN TOTAL FOR JANUARY ............2.70 IN (STD GAUGE) DEPARTURE FROM AVERAGE.......+0.23 IN ASOS TOTAL FOR JANUARY........2.49 IN TOTAL SNOWFALL ENDING 10 A.M..0.5 IN JANUARY SNOWFALL TO DATE......11.0 IN SEASONAL SNOWFALL.............42.3 IN WIND DATA FOR THURSDAY JANUARY 16 2003 PEAK GUST ASOS: 31 MPH W AT 12:53 P.M. PEAK GUST AERO: 36 MPH W AT 10:40 A.M. PEAK GUST 420C: 31 MPH W AT 12:53 P.M. JAN. 2003 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 Aero = Aerovane recording wind system gust when significant TSTM = thunderstorm day 1/1 40/33/37/+10/0.60/T//000/00/ 48 NE Aero 51 MPH NE 1/2 34/20/27/0/0.13/0.3/050/09/ 55 NE Aero 56 MPH NE 1/3 35/23/29/+2/0.75/2.0/000/00 44 NE Aero 44 MPH NE 1/4 35/24/30/+3/0.83/3.6/000/00 52 NE Aero 54 MPH NE 1/5 31/20/26/-1/0.01/0.2/431/78 18 WNW 1/6 27/23/25/-1/0.12/1.6/000/00 18 NNW 1/7 26/15/21/-5/0.03/0.6/089/16 28 NNW 1/8 35/15/25/-1/0.08/1.3/061/11 30 W 1/9 37/30/34/+8/0.08/0.7/290/52 30 SSW 1/10 36/19/28/+2/0.03/0/324/58 32 WNW 1/11 26/17/22/-4/0/0/375/67 42 WSW Aero 43 MPH WSW 1/12 31/20/26/0/0/0/499/89 43 W Aero 45 MPH WNW 1/13 34/19/27/+1/T/T/388/69 45 WSW Aero 45 MPH WSW 1/14 23/11/17/-9/0/0/564/100 38 W 1/15 23/9/16/-10/0/0/503/89 24 WNW 1/16 25/13/-7/0/0/.../.. 31 W 1/17 MORNING LOW TEMPERATURE 19 THE DAILY EXTREMES RECORDS FOR JANUARY 17 HIGH 55 IN 1973,1995 LOW -08 IN 1907,1982 PRECIP 1.43 INCHES IN 1956 SNOWFALL 13.4 INCHES IN 1956 PEAK GUST 62 MPH S IN 1994 RECORDS FOR JANUARY 18 HIGH 62 IN 1973,1990 LOW -10 IN 1982 PRECIP 1.68 INCHES IN 1915 SNOWFALL 13.0 INCHES IN 1948 PEAK GUST 61 MPH S IN 1994 RECORDS FOR JANUARY 19 HIGH 59 IN 1973 LOW -11 IN 1887 PRECIP 2.34 INCHES IN 1936 SNOWFALL 10.5 INCHES IN 1936 PEAK GUST 93e MPH WNW IN 1943 RECORDS FOR JANUARY 20 HIGH 59 IN 1951 LOW -09 IN 1901 PRECIP 1.95 INCHES IN 1978 SNOWFALL 19.0 INCHES IN 1978 PEAK GUST 76e MPH NE IN 1978 e = estimated today's report by: Andy Hoell