BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, FEBRUARY 23, 2005 1 p.m. OVERNIGHT FLURRIES BRING ANOTHER 0.5 INCH... Snow flurries last night brought another half inch of snowfall. There was 0.1 inch snow during an evening flurry and another 0.4 inch early this morning. Since then a few very light flurries have been observed late this morning and early this afternoon. Despite the colder-than-normal temperatures over the past five days the month of February continues to average 4 degrees warmer than normal. Precipitation for the month at 2.83 inches is still about one third of an inch below normal. Sunshine is at 48% of possible and is just slightly above normal. TODAY'S OBSERVATIONS.... 2/23/2005 WED 7 a.m. clear with 10 miles visibility and thin fog; temp. 27; dewpoint 25; wind west at 14 mph; six hourly min. temp. 26; 24 hourly precip. 0.04 inch; 24 hourly snowfall 0.5 inch..total snow on ground 5 inches.... BHO SA 1155 CLR 10 161/27/25/2712/001/ FEW DSNT AC ALQDS THN F ALQDS VSBY E-S 8 TOTAL NEW SNW PST 24 HRS 0.5 IN/ 8/040 4/005 52008 ASOS 60003 MANUAL 6002/ ASOS 70003 MANUAL 70004 10028 20026 10 a.m. broken clouds with 50 miles visibility and virga observed to the distant northwest; temp. 30; dewpoint 23; wind wnw at 15 gusting to 24 mph... BHO SA 1455 E25 BKN 50 173/30/23/2913G21/004/ FEW MDT CU CLDS INCRSD RPDLY FEW PTCHS VIRGA DSNT NW WND 25V32/ 8/400 50012 1 p.m. broken clouds with 50 miles visibility but 20 miles in snow showers northwest, virga all directions; temp. 33; dewpoint 18; wind west-northwest at 15 gusting 24 mph; six hourly max. temp. 34 deg; six hourly precip. trace BHO SA 1755 E35 BKN 50 BKN 80 BKN 50 172/33/18/2915G19/004/ MDT CU AND VIRGA ALQDS SHSN WNW-NW VSBY WNW-NW 20 WND 25V32/ 8/460 58001 6000/ 10034 20027 WEATHER SUMMARY FOR TUESDAY FEBRUARY 22 TEMPERATURE (DEGREES F) MAX.....29 NORMAL.....38 HAZEN 29.3 @ 2:21 p.m. MIN.....21 NORMAL.....22 HAZEN 21.0 @ 7:52 a.m. MEAN....25 NORMAL.....30 DEPARTURE FROM 30-YEAR NORMAL......- 5 TOTAL DEPARTURE FOR THE MONTH......+91 (+4.4 DEGREES/DAY) PRECIPITATION (INCHES) THROUGH THIS MORNING TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.04 DEPARTURE....-0.11 ASOS..............0.03 TOTAL PRECIPITATION FOR THE MONTH..........2.83 DEPARTURE....-0.33 ASOS..............2.68 TOTAL PRECIPITATION FOR THE YEAR...........9.07 DEPARTURE....+1.13 ASOS..............8.51 SNOWFALL (INCHES) THROUGH THIS MORNING TOTAL SNOWFALL 24 HRS ENDING 7 A.M......... 0.5 DEPARTURE.....+0.0 TOTAL SNOWFALL FOR THE MONTH...............10.2 DEPARTURE.... -2.8 TOTAL SNOWFALL FOR THE SEASON..............79.0 DEPARTURE....+36.6 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........24 NNW AT 12:58 A.M. AEROVANE.........27 NNW AT 5:45 A.M. ASOS.............23 NNW AT 5:43 A.M. DAVIS............21 NNW AT 5:45 A.M. FASTEST MILE FOR YESTERDAY......... 18 NNW AT 5:41 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......20 NNW AT 5:46 A.M. DAVIS MAXIMUM 1-MINUTE AVERAGE......18 NNW AT 5:46 A.M. OUR AVERAGE WIND SPEED AND DIRECTION.. 8.5 MPH NNW THE ASOS AVERAGE SPEED AND DIRECTION.... 8.9 MPH NNW [ 330 deg ] THE DAVIS AVERAGE WIND SPEED AND DIR.... 7.3 MPH NNW [ 340 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 Morning low 26 degrees...snowfall 0.4 inch; melted 0.03 in. 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 23 HIGH 62F IN 1990 LOW -8F IN 1907 PRECIP 1.48 INCHES IN 1967 SNOWFALL 10.6 INCHES IN 1967 PEAK GUST 73 MPH WNW IN 1974 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 TODAY'S REPORT BY: Robert Skilling