BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, FEBRUARY 24, 2005 1 p.m. Our low temperature of 10 degrees this morning was the 2nd coldest of the month after 9 degrees on the 19th. Today marks the seventh consecutive day to have colder than normal temperatures. The month continues to average over 3 degrees warmer than normal thanks to a mild first half. Low clouds from off the ocean began moving inland past Blue Hill late this morning and snow flurries can be seen to our northeast through southeast. TODAY'S OBSERVATIONS.... 2/24/2005 THU 7 a.m. overcast with high thin clouds and visibility 60 miles; temp. 11; dewpoint 3; wind nw at 12 mph; six hourly min. temp. 10 deg; total snow on ground 5 inches BHO SA 1155 220 SCT 250 -BKN 300 -OVC 60 268/11/3/3210/032/ SC LYR ALG/OFFSHR NE-ESE FEW SC DSNT SE/ 8/501 4/005 50008 10019 20010 10 a.m. high thin broken clouds with 60 to 70 miles visibility; temp. 21; dewpoint 5; wind nnw at 06 mph BHO SA 1455 250 -SCT 300 -BKN 60 275/21/5/3405/034/ SC LYR FEW MDT CUFRM TOPS DSNT NNE-ENE OFFSHR FEW SC DSNT E-SE VSBY NW 70/ 8/401 51007 1 p.m. mostly cloudy with snow flurries to our northeast through southeast with visibility 9 miles east thru southeast but 60 miles west through northwest and av. visibility 50 miles; temp. 23; dewpoint 12; wind north-northeast at 08 mph; six hourly max. temp. 26 deg. BHO SA 1755 E30 OVC 50 271/23/13/0307/033/ 30 OVC V BKN SC MDT CUFRM TOPS NMRS BINOVC HIER CLDS VSB ALQDS SNSH NE-SE VSBY E-SE 9 W-NW 60 WND 36V07/ 8/531 58004 10026 20011 WEATHER SUMMARY FOR WEDNESDAY FEBRUARY 23 TEMPERATURE (DEGREES F) MAX.....34 NORMAL.....38 HAZEN 29.3 @ 2:21 p.m. MIN.....19 NORMAL.....22 HAZEN 21.0 @ 7:52 a.m. MEAN....27 NORMAL.....30 DEPARTURE FROM 30-YEAR NORMAL......- 3 TOTAL DEPARTURE FOR THE MONTH......+88 (+3.6 DEGREES/DAY) PRECIPITATION (INCHES) THROUGH THIS MORNING TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....trace DEPARTURE....-0.15 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........2.83 DEPARTURE....-0.48 ASOS..............2.68 TOTAL PRECIPITATION FOR THE YEAR...........9.07 DEPARTURE....+0.98 ASOS..............8.51 SNOWFALL (INCHES) THROUGH THIS MORNING TOTAL SNOWFALL 24 HRS ENDING 7 A.M........trace DEPARTURE.....-0.5 TOTAL SNOWFALL FOR THE MONTH...............10.2 DEPARTURE.... -3.3 TOTAL SNOWFALL FOR THE SEASON..............79.0 DEPARTURE....+36.1 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........30 W AT 3:14 P.M. AEROVANE.........30 W AT 3:14 P.M. ASOS.............25 W AT 3:18 P.M. DAVIS............30 W AT 1:48 P.M. FASTEST MILE FOR YESTERDAY......... 22 W AT 2:25 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......20 W AT 2:33 P.M. DAVIS MAXIMUM 1-MINUTE AVERAGE......23 W AT 1:50 P.M. OUR AVERAGE WIND SPEED AND DIRECTION.. 12.3 MPH WNW THE ASOS AVERAGE SPEED AND DIRECTION....12.5 MPH WNW [ 290 deg ] THE DAVIS AVERAGE WIND SPEED AND DIR....11.9 MPH W [ 280 deg ] THE PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 2005...... CALENDAR DAY DATA DATA REPORTED HERE ENDING MIDNIGHT: 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 38/18/28/+2/0/0/600/100 13 MPH NNW 2/2 35/20/28/+2/0/0/549/91 23 MPH N 2/3 36/20/28/+2/0.28/0.2/012/02 27 MPH NNE 2/4 33/30/32/+6/0.02/0.1/000/00 33 MPH N 2/5 49/30/40/+13/0/0/605/99 30 MPH N 2/6 41/30/36/+9/0/0/613/100 31 MPH N 2/7 50/29/40/+13/0/0/400/65 22 MPH S 2/8 47/36/42/+15/0/0/012/02 24 MPH SSW 2/9 50/36/43/+16/0.01/0/099/16 25 MPH W 2/10 38/30/34/+7/0.97/2.9/000/00 32 MPH NNW 2/11 30/21/26/-1/0.05/0.5/451/72 44 MPH WNW Aero 51 MPH WNW 2/12 36/24/30/+2/0/0/182/29 36 MPH W 2/13 37/21/29/+1/0/0/429/68 27 MPH WNW 2/14 38/19/29/+1/0.06/0.1/323/51 38 MPH SE 2/15 48/36/42/+14/0.58/0/293/46 52 MPH SE Aero 53 MPH SE 2/16 52/33/43/+15/0.17/0/160/25 42 MPH S Aero 43 MPH S 2/17 38/26/32/+3/0/0/417/65 30 MPH W Aero 30 MPH W 2/18 33/14/24/-5/0.01/0.2/316/49 37 MPH W 2/19 26/9/18/-11/0/0/576/89 31 MPH WNW Aero 33 MPH WNW 2/20 30/17/24/-5/0/0/598/92 28 MPH W 2/21 31/21/26/-3/0.60/5.2/000/00 32 MPH E 2/22 29/21/25/-5/0.05/0.6/000/00 24 MPH NNW 2/23 34/19/27/-3/0.03/0.4/342/52 30 MPH W 2/24 morning low temp. 10 deg.; snow on ground 5 inches DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): There are no new daily extremes established for this month to date.... RECORDS FOR FEBRUARY 24 HIGH 68F IN 1985 [RECORD FOR MONTH] LOW -11F IN 1894 PRECIP 3.10 INCHES IN 1969 SNOWFALL 27.4 INCHES IN 1969 [HIGHEST AMOUNT ON RECORD] PEAK GUST 63 MPH NE IN 1998 RECORDS FOR FEBRUARY 25 HIGH 67F IN 1976 LOW -10F IN 1894 PRECIP 2.40 INCHES IN 1981 SNOWFALL 13.6 INCHES IN 1966 PEAK GUST 75 MPH S IN 1965 TODAY'S REPORT BY: Robert Skilling