BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, FEBRUARY 11, 2004 ALL TIMES ARE IN EASTERN STANDARD TIME DAILY DISCUSSION TODAY AT 1 P.M. STRONG WEST WINDS GUSTING PAST 40 MPH... VISIBILITY UP TO 90 MILES Spectacular visibility by early this afternoon reported at 90 miles! West winds have increased to strong and gusty with a 2-minute average of 31 MPH and gust to 44 MPH just before 1 p.m. The air continues to get drier with dewpoints near 20 degrees early this morning dropping to near 10 degrees by early this afternoon. Virga was observed to our distant west and northwest around mid-morning but completely vanished by late morning. TODAY'S OBSERVATIONS.... 2/11/2004 WED 7 a.m. clear with 50 miles visibility and 27 deg; wind west at 16 mph... BHO SA 1155 CLR 50 122/27/19/2714/989/ AC/FEW ACSL N-E-S-SW/ 8/040/ 4/001 51019 10031 20026 10 a.m. scattered clouds with 50 miles visibility and 33 degrees; wind west at 18 gusting 28 mph.. BHO SA 1455 40 SCT 70 SCT 50 135/33/17/2716G24/993/ SC FRMG ALQDS AC DSNT E-S VIRGA DSNT W-NW/ 8/530/ 51013 1 p.m. scattered clouds with 90 miles visibility; temp. 34; wind west at 30 gusting 44 mph...six hour maximum temp. 35 degrees.. BHO SA 1755 55 SCT 90 128/34/12/2726G38/991/ PK WND 2738/53/ 8/400/ 58007 10035 20027 OUR WEATHER SUMMARY FOR TUESAY, FEBRUARY 10 TEMPERATURE (DEGREES F) MAX.....44 NORMAL.....35 HAZEN SHELTER: 44.4 @ 12:42 P.M. MIN.... 32 NORMAL.....19 HAZEN SHELTER: 31.9 @ 11:58 P.M. MEAN....38 NORMAL.....27 DEPARTURE FROM 30-YEAR NORMAL.....+11 TOTAL DEPARTURE FEBRUARY TO DATE: +25 DEPARTURE FOR THE FEBRUARY TO DATE: +2.3 DEGREES/DAY ASOS MAX/MIN FOR 2/10: 44/32 HEATING DEGREE DAYS TOTAL HEATING DEGREE DAYS FOR YESTERDAY.......27 DEPARTURE.....-11 TOTAL HEATING DEGREE DAYS FOR FEBRUARY...... 359 DEPARTURE.... -25 TOTAL HEATING DEGREE DAYS FOR THE SEASON....3962 DEPARTURE.....+40 TOTAL HEATING DEGREE DAYS FOR LAST SEASON...4117 DIFFERENCE...-155 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........31 WSW AT 1:30 P.M. AEROVANE.........32 W AT 11:42 A.M. ASOS.............28 W AT 1:30 P.M. FASTEST MILE FOR YESTERDAY..........24 W AT 1:31 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......24 W AT 1:30 P.M. AVERAGE ASOS WIND FOR YESTERDAY ....11.6 MPH PRECIPITATION (INCHES) TOTAL PRECIPITATION 24 HR ENDING 7 A.M.....0.00 ASOS..............0.00 TOTAL PRECIPITATION FOR FEBRUARY...........1.71 TOTAL DEPARTURE FOR FEBRUARY TO DATE.......0.24 TOTAL ASOS PRECIPITATION FOR FEBRUARY......1.56 TOTAL PRECIPITATION FOR JANUARY............1.72 DEPARTURE....-3.06 ASOS..............1.40 TOTAL PRECIPITATION FOR 2004...............3.43 DEPARTURE....-2.82 TOTAL ASOS PRECIPITATION FOR 2004..........2.96 SNOWFALL (INCHES) TOTAL SNOWFALL FOR 24 HRS ENDING 7 A.M......0.0 TOTAL SNOWFALL FOR FEBRUARY TO DATE.........2.5 DEPARTURE......-2.5 TOTAL SNOWFALL FOR JANUARY ................8.5 DEPARTURE......-7.1 TOTAL SNOWFALL FOR THE SEASON..............41.2 DEPARTURE......+7.1 PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY, 2004......CALENDAR DAY DATA FEBRUARY 2004 DAILY DATA... DATA REPORTED: DATE MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 2/1 31/9/20/-6/0/0/599/100 33 NW Aerovane 38 MPH NW 2/2 37/18/28/+2/0/0/578/96 21 NNW 2/3 42/25/34/+8/0.51/0.2/000/00 47 SSE Aerovane 49 MPH SSE 2/4 42/24/33/+7/T/0/564/93 46 W Aerovane 47 MPH W 2/5 34/21/28/+1/0/0/451/74 33 WNW 2/6 33/24/29/+2/1.08/2.3/000/00 28 SSE 2/7 39/24/32/+5/0.12/T/092/15 37 WNW 2/8 24/12/18/-9/0/0/616/100 59 WNW Aerovane 62 MPH WNW 2/9 41/20/31/+4/0/0/279/45 47 SSW Aerovane 48 MPH SSW 2/10 44/32/38/+11/0/0/546/88 31 WSW 2/11 morning low temp. 27 deg; normal low now 20 NEW DAILY RECORDS FOR MONTH OF FEBRUARY 2004 TO DATE: NONE RECORDS FOR FEBRUARY 11 HIGH 60F IN 1981 LOW -10F IN 1899 PRECIP 1.07 INCHES IN 1955 SNOWFALL 9.6 INCHES IN 1933 PEAK GUST 95 MPH S IN 1981 RECORDS FOR FEBRUARY 12 HIGH 56F IN 1999 LOW -14F IN 1914 PRECIP 4.85 INCHES IN 1886 [RECORD FOR MONTH] SNOWFALL 11.0 INCHES IN 1983 PEAK GUST 70 MPH E IN 1985 TODAY'S REPORT BY: Robert Skilling