BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, FEBRUARY 25, 2005 LATEST SNOW EVENT BRINGS NEARLY 7 INCHES TO THE SUMMIT... Our latest snowstorm has brought 6.7" total snowfall with 0.47" liquid equivalent. Snow ended between 8-9 this morning with a mix of sun and clouds in it's wake. The cold streak continues with yesterday averaging 12 degrees below normal, the biggest single day negative departure during this current "cold snap". Total departure for the month is now down to +76, meaning we're still averaging just about 3.2 degrees above normal per day. TODAY'S OBSERVATIONS.... 2/25/2005 FRI 7 A.M. BHO SA 1155 -X E12 BKN 30 OVC 11/2S-F 180/16/14/3316G22/006/ OCNL BLWG/DRFTG SNOW TOTAL NEW SNW PST 24HRS 6.5 INS/ 8/5// 4/011 53017 ASOS 60025 MANUAL 70046 10021 20016 10 A.M. BHO SA 1455 E30 BKN 250 BKN 30 183/22/14/3314G19/007/ TOTAL NEW SNW PST 3HRS 0.2 INS STORM TOT 6.7 INS/ 8/501 51003 6001/ WEATHER SUMMARY FOR THURSDAY FEBRUARY 24 TEMPERATURE (DEGREES F) MAX.....26 NORMAL.....38 HAZEN 25.8 @ 12:05 p.m. MIN.....10 NORMAL.....22 HAZEN 10.3 @ 5:47 a.m. MEAN....18 NORMAL.....30 DEPARTURE FROM 30-YEAR NORMAL......-12 TOTAL DEPARTURE FOR THE MONTH......+76 (+3.2 DEGREES/DAY) PRECIPITATION (INCHES) THROUGH THIS MORNING TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.46 DEPARTURE....+0.31 ASOS..............0.42 TOTAL PRECIPITATION FOR THE MONTH..........3.29 DEPARTURE....-0.17 ASOS..............3.10 TOTAL PRECIPITATION FOR THE YEAR...........9.53 DEPARTURE....+1.29 ASOS..............8.93 SNOWFALL (INCHES) THROUGH THIS MORNING TOTAL SNOWFALL 24 HRS ENDING 7 A.M........ 6.5 DEPARTURE.....+6.0 TOTAL SNOWFALL FOR THE MONTH...............16.7 DEPARTURE.... +2.7 TOTAL SNOWFALL FOR THE SEASON..............85.5 DEPARTURE....+42.1 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........25 NW AT 1:58 A.M. AEROVANE.........25 NW AT 1:58 A.M. ASOS.............22 NW AT 2:22 A.M. DAVIS............22 NNW AT 1:55 A.M. FASTEST MILE FOR YESTERDAY......... 16 NW AT 2:01 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......16 ENE AT 2:43 P.M. DAVIS MAXIMUM 1-MINUTE AVERAGE......18 NW AT 2:22 A.M. OUR AVERAGE WIND SPEED AND DIRECTION.. 9.3 MPH NE THE ASOS AVERAGE SPEED AND DIRECTION....10.3 MPH NW [ 320 deg ] THE DAVIS AVERAGE WIND SPEED AND DIR.... 9.4 MPH N [ 010 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 26/10/18/-12/..../.../.../.. 25 MPH NW 2/25 Morning low 16 degrees... 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 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 RECORDS FOR FEBRUARY 26 HIGH 67F IN 1957 LOW -07F IN 1928 PRECIP 2.24 INCHES IN 1979 SNOWFALL 11.1 INCHES IN 1933 PEAK GUST 66 MPH W IN 1961 TODAY'S REPORT BY: Matt Douglas