BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, FEBRUARY 22, 2008  ALL TIMES ARE IN EASTERN STANDARD TIME   Very light snow began early this morning just before 7:00 AM EDT. Less than an inch of snow fell between 7:00 and 10:00 AM, and total accumulation at 1:00 PM was only 1.2 inches.  More moderate snow is now falling, with approximately another half inch measured at 2:30 PM.    Today's observations:   7 A.M. Weather: Overcast, light snow, fog Temperature: 21F, Dew point: 7F, Wind: ESE at 7 kts Sea-level pressure: 30.33 inches Hg, falling Visibility: 2 miles, variable 1-3 miles, snow/fog 6-hour min temp: 18F 24-hour snowfall: trace BHO SA 1155 E20 OVC 2VS-F 271/21/7/1207/033/ VSBY 1V3 SB55 TOTAL NEW SNW PST 24 HRS TRACE/ 8/7// 55008 MANUAL 6000/ 10022 20018   10 A.M. Weather: Overcast, light snow, fog Temperature: 22F, Dew point: 20F, Wind: E at 8 kts Sea-level pressure: 30.27 inches Hg, falling 3-hour precipitation: 0.03 in. 3-hour snowfall: 0.8 in. Visibility: 2 miles, snow/fog BHO SA 1455 E10 OVC 2S-F 250/22/20/1008/027/ TOTAL NEW SNW 3 HRS 0.8 IN/ 8/7// 58021 MANUAL 6003/ ASOS 60003   1 P.M.  Weather: Overcast, light snow, fog Temperature: 25F, Dew point: 24F, Wind: E at 10 kts Sea-level pressure: 30.12 inches Hg, falling rapidly Visibility: 3 miles 6-hour precipitation: 0.08 in. 6-hour snowfall: 1.2 in. 6-hour max. temp: 27F BHO SA 1755 E8 OVC 3S-F 200/25/24/1010/012/ PRESFR TOTAL NEW SNW 6 HRS 1.2 IN/ 8/7// 58050 MANUAL 6008/ ASOS 60007 10025 20019   WEATHER SUMMARY FOR THURSDAY, FEBRUARY 21   TEMPERATURE (DEGREES F) MAX.....29    NORMAL.....38 MIN.....14    NORMAL.....21 MEAN....22    NORMAL.....29 DEPARTURE FROM 30-YEAR NORMAL...........-7 TOTAL DEPARTURE FOR THE MONTH..........+85 [+3.8 DEGREES/DAY]   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY............43  DEPARTURE......+ 7 TOTAL HEATING UNITS FOR THE MONTH...........702  DEPARTURE......-88 TOTAL HEATING UNITS FOR THE SEASON.........3939  DEPARTURE.....-388 TOTAL HEATING UNITS LAST SEASON TO DATE....3845  DIFFERENCE.....+94    PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............28 W   AT 11:34 A.M.                     AEROVANE.............26 W   AT 12:E9 P.M. *                         ASOS.................26 WNW AT 11:36 A.M.                     DAVIS................28 W   AT 11:35 A.M.           FASTEST MILE FOR YESTERDAY..............19 WSW AT 11:23 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE...........20 W   AT  3:02 P.M.   MAXIMUM 2-MINUTE DAVIS AVERAGE..........21 W   AT 11:24 A.M.     AVERAGE WIND SPEED AND DIRECTION......11.7 W                      ASOS...............10.8                     DAVIS..............12.2 W   [275 deg.]  * last of several occurrences   PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M...TRACE  DEPARTURE......-0.14                            ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........6.96  DEPARTURE......+3.95                          ASOS..............N/A #  TOTAL PRECIPITATION FOR THE YEAR..........10.83 DEPARTURE......+3.04                          ASOS..............N/A # # ASOS PRECIPITATION DATA ERROR ON 2/13/08   MONTHLY AND 2008 ASOS TOTAL NOT AVAILABLE   SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M........TRACE  DEPARTURE.....-0.5 TOTAL SNOWFALL FOR THE MONTH................7.6  DEPARTURE.....-4.9 TOTAL SNOWFALL FOR THE SEASON..............51.7  DEPARTURE.....+9.8    PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 2008 CALENDAR DAY DATA DATA REPORTED: 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, records not finalized   2/1  53/26/40/+14/1.16/0.1/000/00  54 SSE  Aero 59 MPH SSE TSTM 2/2  51/34/43/+17/T/0/391/65       52 SW   Aero 52 MPH SW 2/3  45/33/39/+13/0/0/381/63       21 SW 2/4  38/29/34/+8/0/0/006/01        18 SE  2/5  45/33/39/+12/0.42/0/000/00    36 SE   Aero 37 MPH SE  2/6  46/34/40/+13/0.88/0/000/00    36 NE   Aero 33 MPH NE  TSTM 2/7  34/26/30/+3/0.59/1.9/000/00   40 NE   Aero 40 MPH NE  TSTM 2/8  28/24/26/-1/0.08/0.5/000/00   21 W 2/9  36/21/29/+2/0.09/1.0/118/19   30 ESE 2/10 40/11/26/-1/0.08/0.9/068/11   56 W    Aero 61 MPH W  2/11 22/7/15/-12/0/0/612/98        56 W    Aero 60 MPH W 2/12 26/9/18/-10/0.27/2.0/351/56   25 W  2/13 53/22/38/+10/2.80/1.0/000/00  52 S    Aero 54 MPH S 2/14 36/26/31/+3/0/0/517/82        39 WNW 2/15 46/24/35/+7/0/0/406/64        47 W    Aero 50 MPH W   2/16 29/16/23/-5/0/0/586/92        32 W 2/17 44/18/31/+2/0.02//0/415/65    43 SSE  Aero 43 MPH SSE  2/18 59/37/48/+19/0.55/0/006/01    69 S    Aero 70 MPH S  2/19 43/22/33/+4/0.02/0.2/600/93   44 SSW  Aero 46 MPH SSW 2/20 28/18/23/-6/0/0/.../..        36 W 2/22 29/14/22/-7/0/0/650/100       28 W    Aero 26 MPH W   2/23 morning low temp. 18F; our normal low is now 22F   NEW DAILY RECORDS FOR FEBRUARY 2008:   2/13 - New record daily precipitation 2.80 inches; surpasses previous record of 1.90 inches in 1966   2/18 - New record peak wind gust of 69 MPH S; surpasses 65 MPH (estimated) NNW in 1952   DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   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 PREPARED By: Stephanie Radner