BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, FEBRUARY 14, 2007 ALL TIMES ARE IN EASTERN STANDARD TIME   NOR'EASTER BRINGING SNOW, SLEET, FREEZING RAIN, PLAIN RAIN INCREASING NE-ENE WINDS GUSTING PAST 40 MPH   The snowfall and sleet total reached 1.6 inches before precipitation became mostly all moderate rain with a temperature just slightly above 32 degrees at 12 noon. A peak wind gust on our Aerovane wind system reached 52 MPH NE.   Today's observations:   7 A.M.   Weather: Overcast with modt. ice pellets, light snow and fog  Temperature: 25F, Dew point: 24F, Wind: ENE at 16G24 kts Sea-level pressure: 29.93 inches Hg, falling Visibility: 1/2 mile Snow on ground: 1 inch 6-hourly min. temp. 13 deg. 24-houry precip: 0.33 inch 24-hourly snowfall: 1.2 ins. BHO SA 1155 W10 X 1/2IPS-F 135/25/24/0716G24/993/ S- VRY LGT PK WND 0727/09/ THN GLZ TOTAL NEW SNW PST 24 HRS 1.2 INS/ 8//// 4/001 56036 ASOS 60028 MANUAL 6XXX/ ASOS 70033 MANUAL 70033 10025 20013   10 A.M.    Weather: Partial obscurement with snow and fog Moderate ice pellets, light snow and fog Temperature: 29F, Dew point: 29F, Wind: NE at 22G34 kts Peak wind: NE @ 34 kts at 53 mins. past the hour Sea-level pressure: 29.74 inches Hg, falling rapidly     Visibility: 1/2 mile but variable from 3/8 to 3/4 mile BHO SA 1455 –X E5 OVC 1/2VIPS-F 070/29/29/0522G34/974/ SF2 STRA OCNL DRFTG OVR SMT VSBY 3/8V3/4 ZLEUKN PK WND 0534/53/ PRESFR THN GLZ TOTAL NEW SNW PST 3 HRS 0.3 IN STORM TOTAL 1.5 INS/ 8/7// 58065 ASOS 60011 MANUAL 6014/   1 P.M.    Weather: Obscured with fog, modt. rain, mixed with snow/sleet  Temperature: 32F, Dew point: 32F, Wind: NE at 22G33 kts Sea-level pressure: 29.38 and falling rapidly      Visibility: 1/8 mile  6-hourly max. temp. 32 deg. BHO SA 1755 W3 X 1/8RIP-S-F 948/32/32/0422G33/938/ PK WND 0537/21/ PRESFR TOTAL NEW SNW PST 6 HRS 0.4 IN/ 8//// 58122 ASOS 60066 MANUAL N/A 10032 20025    WEATHER SUMMARY FOR TUESDAY, FEBRUARY 13   TEMPERATURE (DEGREES F) MAX.....22    NORMAL.....36 MIN......6    NORMAL.....20   MEAN....14    NORMAL.....28   DEPARTURE FROM 30-YEAR NORMAL.........-14 TOTAL DEPARTURE FOR THE MONTH.........-77 (-6.1 DEGREES/DAY)   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY..........51   DEPARTURE.......+14 TOTAL HEATING UNITS FOR THE MONTH.........573   DEPARTURE.......+74 TOTAL HEATING UNITS FOR THE SEASON.......3517   DEPARTURE......-518 TOTAL HEATING UNITS LAST SEASON TO DATE..3536   DIFFERENCE......-19   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............28   NW  AT  9:45 A.M.                        AEROVANE.............26   NW  AT  9:45 A.M.                        ASOS.................24   NW  AT  9:45 A.M.                      DAVIS................26   WNW AT  6:54 A.M.     FASTEST MILE FOR YESTERDAY..............19   WNW AT 10:17 A.M.     MAXIMUM 2-MINUTE ASOS AVERAGE...........20   WNW AT  9:49 A.M.    MAXIMUM 2-MINUTE DAVIS AVERAGE..........21   WNW AT  8:24 A.M.   AVERAGE WIND SPEED AND DIRECTION...... 9.9   WNW                     ASOS..............10.3                            DAVIS.............10.3   WNW [300 deg]    PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.33  DEPARTURE.....+0.19                          ASOS..............0.33 TOTAL PRECIPITATION FOR THE MONTH..........0.56  DEPARTURE.....-1.33                           ASOS..............0.55    TOTAL PRECIPITATION FOR THE YEAR...........3.50  DEPARTURE.....-3.17                           ASOS..............3.42   SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........1.2  DEPARTURE......+0.6 TOTAL SNOWFALL FOR THE MONTH................1.9  DEPARTURE......-6.4 TOTAL SNOWFALL FOR THE SEASON...............8.5  DEPARTURE.....-29.2   PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 2007......CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST   AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available   2/1  35/20/28/+2/0/0/126/21         37 S    Aero 34 MPH S 2/2  35/28/32/+6/0.18/0.3/000/00    20 NW 2/3  32/19/26/0/0.05/0.4/574/95     39 W    Aero 47 MPH W  2/4  22/10/16/-10/0/0/601/99        39 WSW  Aero 40 MPH WSW 2/5  16/5/11/-16/0/0/493/81         61 W    Aero 60 MPH W  2/6  24/10/17/-10/0/0/593/97        38 W    Aero 36 MPH W 2/7  21/8/15/-12/0/0/474/77         43 W    Aero 41 MPH W 2/8  25/11/18/-9/0/0/370/60         48 WSW 2/9  26/15/21/-6/0/0/600/97         44 WSW  Aero 42 MPH WSW 2/10 32/13/23/-4/0/0/199/32         28 W     2/11 31/14/23/-4/0/0/456/73         27 SSW  2/12 36/20/28/0/0/0/602/96          43 WSW  Aero 40 MPH W  2/13 22/6/14/-14/0.02/0.2/.../..    28 NW     2/14 morning low temp. 13 deg; normal low now 20 deg.       there is 1 inch of snow on the ground      DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR FEBRUARY 14 HIGH 56F IN 1949 LOW -8F IN 1979 PRECIP 1.95 INCHES IN 1940 SNOWFALL 11.0 INCHES IN 1914 PEAK GUST 83 MPH SSW IN 2000   RECORDS FOR FEBRUARY 15 HIGH 60F IN 1954 LOW -18F IN 1943 PRECIP 1.28 INCHES IN 1950 SNOWFALL 11.2 INCHES IN 1940 PEAK GUST 94e MPH WNW IN 1946   TODAY'S REPORT By: Robert Skilling