BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, FEBRUARY 22, 2005 1 p.m. The final snowfall total was 5.7 inches and 0.64 inch melted precipitation. Some very light snow grains have been continuing for many hours today since early morning but accumulating snow ended by about 3 a.m. TODAY'S OBSERVATIONS.... 2/22/2005 TUE 7 a.m. low overcast with 6 miles visibility in very light snow grains and thin fog; temp. 21; dewpoint 19; wind nnw at 14 mph; six hourly min. temp. 21 deg; 24 hour snowfall 3.7 inches... BHO COR SA 1155 E7 OVC 6SG-F 169/21/19/3412/003/ VSBY N 9 PCPN VRY LGT TOTAL NEW SNW PST 24 HRS 3.7 INS EVENT TOTAL 5.7 INS THN GLZ ALL SFCS LGT RIME/ 8/6// 4/005 5014 ASOS 60002 MANUAL 6002/ ASOS 70041 MANUAL 70047 10023 20021 10 a.m. low overcast with 6 miles visibility in very light snow grains and thin fog; temp. 23; dewpoint 22; wind nnw at 12 mph; 3-hourly precip. total: trace; snowfall: trace BHO SA 1455 E5 OVC 6SG-F 184/23/22/3309/007/ VSBY N 9 PCPN VRY LGT WND 30V36/ 8/6// 51015 6000/ 1 p.m. low overcast with 8 miles with very light snow grains and thin fog; temp; 26; dewpoint 24; wind nw at 09 mph; six hour max temp. 26; six hourly precipitation and snowfall: trace BHO SA 1755 E7 OVC 8SG- 190/26/24/3208/009/ VSBY E-S 5 PCPN VRY LGT WND 30V36/ 8/6// 50006 6000/ 10026 20021 WEATHER SUMMARY FOR MONDAY FEBRUARY 21 PRESIDENTS DAY TEMPERATURE (DEGREES F) MAX.....31 NORMAL.....37 HAZEN 31.0 @ 10:03 p.m. MIN.....21 NORMAL.....21 HAZEN 21.0 @ 3:50 a.m. MEAN....26 NORMAL.....29 DEPARTURE FROM 30-YEAR NORMAL......- 3 TOTAL DEPARTURE FOR THE MONTH......+96 (+4.4 DEGREES/DAY) PRECIPITATION (INCHES) THROUGH THIS MORNING TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.47 DEPARTURE....+0.33 ASOS..............0.41 TOTAL PRECIPITATION FOR THE MONTH..........2.79 DEPARTURE....-0.22 ASOS..............2.65 TOTAL PRECIPITATION FOR THE YEAR...........9.03 DEPARTURE....+1.24 ASOS..............8.48 SNOWFALL (INCHES) THROUGH THIS MORNING TOTAL SNOWFALL 24 HRS ENDING 7 A.M......... 3.7 DEPARTURE.....+3.2 THE EVENT SNOWFALL TOTAL....................5.7 TOTAL SNOWFALL FOR THE MONTH............... 9.7 DEPARTURE.... -2.8 TOTAL SNOWFALL FOR THE SEASON..............78.5 DEPARTURE....+36.6 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........32 E AT 2:18 P.M. AEROVANE.........31 E AT 2:16 P.M. ASOS.............29 E AT 2:18 P.M. DAVIS............26 ENE AT 2:10 P.M. FASTEST MILE FOR YESTERDAY......... 22 E AT 2:17 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......22 E AT 11:30 A.M. DAVIS MAXIMUM 1-MINUTE AVERAGE......20 ENE AT 2:12 P.M. OUR AVERAGE WIND SPEED AND DIRECTION.. 13.2 MPH E THE ASOS AVERAGE SPEED AND DIRECTION....12.7 MPH E [ 080 deg ] THE DAVIS AVERAGE WIND SPEED AND DIR....11.8 MPH ENE [ 060 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/.../.. 30 MPH W Aero 30 MPH W 2/18 33/14/24/-5/0.01/0.2/.../.. 37 MPH W 2/19 26/9/18/-11/0/0/.../.. 31 MPH WNW Aero 33 MPH WNW 2/20 30/17/24/-5/0/0/.../.. 28 MPH W 2/21 31/21/26/-3/0.60/5.2/000/00 32 MPH E 2/22 Morning low 21 degrees...snowfall 0.5 inch; melted 0.04 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 22 HIGH 63F IN 1997 LOW -1F IN 1918 PRECIP 1.38 INCHES IN 1900 SNOWFALL 8.0 INCHES IN 1893 PEAK GUST 74 MPH S IN 1974 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 TODAY'S REPORT BY: Robert Skilling