BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, FEBRUARY 28, 2005 FEBRUARY STILL WARMER THAN NORMAL BY OVER ONE DEGREE! TOTAL FEBRUARY SNOWFALL LIKELY TO EXCEED 20 INCHES... THE SEASONAL SNOWFALL NOW LIKELY TO EXCEED 90 INCHES! Despite eleven days of consecutively colder than normal days ending with today the month of February will wind up slightly on the warm side of normal. High clouds are thickening this afternoon heralding the fourth significant snow event and very likely the largest snowfall event of the month. TODAY'S OBSERVATIONS.... 2/28/2005 MON 7 a.m. high overcast with 60 miles visibility and 70 miles to the nw; temp. 20; dewpoint zero; wind nne at 10 mph; six hourly min. temp. 19; there is a total of 7 inches of snow on the ground BHO SA 1155 E160 OVC 60 204/20/0/0209/013/ HIER CLDS VSB DSNT NE-SE THN K LYR ALG HRZN S-NW VSBY NW 70/ 8/017 4/007 10021 20019 10 a.m. high overcast with 50 miles visibility and dark smoke layer along horizon sw through n; temp. 26; dewpoint 07; wind ne at 06 mph BHO SA 1455 150 SCT E200 OVC 50 196/26/7/0505/011/ FEW LWR AC DRK K LYR ALG HRZN SW-N/ 8/077 58008 1 p.m. overcast at 16000 feet and visibility 60 miles; temp. 31; dewpoint 19; wind nne at 07 mph; six hourly max. temp. 32; six hourly min. temp. 20 BHO SA 1755 E160 OVC 60 169/31/19/0306/003/ FEW SC DSNT NNE-SE HIER CLDS VSB DSNT N-NE SUN DMLY VSB VSBY NW 70/ 8/517 58027 10032 10020 WEATHER SUMMARY FOR SUNDAY FEBRUARY 27 TEMPERATURE (DEGREES F) MAX.....32 NORMAL.....39 HAZEN 32.4 @ 2:08 p.m. MIN.....15 NORMAL.....23 HAZEN 15.1 @ 5:44 a.m. MEAN....24 NORMAL.....31 DEPARTURE FROM 30-YEAR NORMAL......- 7 TOTAL DEPARTURE FOR THE MONTH......+54 (+1.8 DEGREES/DAY) PRECIPITATION (INCHES) THROUGH THIS MORNING TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE....-0.15 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........3.30 DEPARTURE....-0.61 ASOS..............3.12 TOTAL PRECIPITATION FOR THE YEAR...........9.54 DEPARTURE....+0.85 ASOS..............8.95 SNOWFALL (INCHES) THROUGH THIS MORNING TOTAL SNOWFALL 24 HRS ENDING 7 A.M........ 0.0 DEPARTURE.....-0.5 TOTAL SNOWFALL FOR THE MONTH...............16.9 DEPARTURE.... +1.4 TOTAL SNOWFALL FOR THE SEASON..............85.7 DEPARTURE....+40.8 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........36 W AT 3:11 P.M. AEROVANE.........36 W AT 3:11 P.M. ASOS.............31 WNW AT 11:23 A.M. DAVIS............33 WNW AT 3:30 P.M. FASTEST MILE FOR YESTERDAY......... 24 W AT 3:57 P.M. ** MAXIMUM 2-MINUTE ASOS AVERAGE.......25 W AT 3:11 P.M. DAVIS MAXIMUM 1-MINUTE AVERAGE......27 W AT 3:11 P.M. ** last of several occurrences OUR AVERAGE WIND SPEED AND DIRECTION.. 15.5 MPH W THE ASOS AVERAGE SPEED AND DIRECTION....15.6 MPH W [ 270 deg ] THE DAVIS AVERAGE WIND SPEED AND DIR....16.3 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 26/10/18/-12/0.14/2.0/311/47 25 MPH NW 2/25 30/16/23/-8/0.33/4.7/385/58 26 MPH NNW 2/26 34/14/24/-7/0/0/414/62 25 MPH NW 2/27 32/15/24/-7/0/0/663/99 36 MPH W 2/28 morning low 19 deg; there is 7 inches of snow on the ground there is likely going to be 7 mins of sunshine for 1% of possible today.... and the monthly percent will come in at 49%... or just 1 point below average... 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 28 HIGH 62F IN 1976 LOW -02F IN 1907,1934 PRECIP 1.79 INCHES IN 1958 SNOWFALL 7.9 INCHES IN 1956 PEAK GUST 88e MPH SSW IN 1943 RECORDS FOR MARCH 01 HIGH 62 IN 1972 LOW -03 IN 1886 PRECIP 1.65 INS. IN 1900 SNOWFALL 9.4 INS. IN 1949 PEAK GUST 78 WSW IN 1966 RECORDS FOR MARCH 02 HIGH 63 IN 2004 LOW -3 IN 1886 PRE 2.15 INS. IN 1983 SNOW 7.1 INS. IN 1948 WIND 75 MPH NW IN 1966 RECORDS FOR MARCH 03 HIGH 64 IN 1991 LOW -01 IN 1950 PRECIP 2.36 INS. IN 1972 SNOWFALL 12.8 INS. IN 1960 PEAK GUST 78e MPH E IN 1942 RECORDS FOR MARCH 04 HIGH 69 IN 1974 LOW -05 IN 1950 [RECORD LOW FOR MONTH] PRECIP 1.80 INS. IN 1960 SNOWFALL 17.3 INS. IN 1960 PEAK GUST 81e MPH SSW IN 1971 TODAY'S REPORT BY: Robert Skilling