BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY SATURDAY, MARCH 15, 2008 ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED   CLOSE TO 2 INCHES OF SNOWFALL BY LATE THIS MORNING   This morning's surprise snowfall event had left almost 2 inches by 11 a.m. and ASOS reports melted precipitation,  which included some light rain which fell early this morning before the change to snow, of almost a half inch. The light snow was continuing to accumulate with 32 degrees late this morning we may just make  2.0 inches by noon.     Today's observations:   8 A.M. EDT Weather: Obscurement with snow and fog Temperature: 33F, Dew point: 33F, Wind: N at 14G29 kts Wind: Peak wind NNE at 29 kts at 26 past the hour, Wind: variable in direction NNW to NE Sea-level pressure: 29.65 inches Hg, rising Visibility: 11/4 miles 6-hour min temp: 33F 24-hour precipitation: 0.23 in. 24-hour snowfall: 0.1 in. BHO SA 1155 –X E3 OVC 11/4S-F 042/33/33/0114G29/965/ SF5 CIG/VSBY LWRG PK WND 0234/26/ WND 34V05 SNW WET RE35 TOTAL NEW SNW PAST 24 HRS 0.1 IN/ 8/7// 53002 MANUAL 6023/ ASOS 60029 MANUAL 70023 ASOS 70020 10037 20033    11 A.M. EDT Weather: Obscurement with snow and fog  Temperature: 32F, Dew point: 32F, Wind: N at 16G25 kts Wind: peak wind 27 kts from N at 18 past the hour Wind: direction variable NNW TO NNE Sea-level pressure: 29.68 inches Hg, rising Visibility: 1/4 miles variable 1/8 to 1/2, sector S 1 mile, sector N 1/8 mile 3-hour snowfall: 1.7 ins. 3-hour precip: n/a BHO SA 1455 W3 X 1/4VS-F 051/32/32/3616G25/968/ STRA DRFTNG OVR SMT VSBY 1/8V1/2 N 1/8 S 1 PK WND 0127/18/ WND 33V03 SNW WET TOTAL NEW SNW 3 HRS 1.7 INS/ 8//// 51009 ASOS 60027 MANUAL 6XXX/   WEATHER SUMMARY FOR FRIDAY, MARCH 14   TEMPERATURE (DEGREES F) MAX.....53    NORMAL.....44 MIN.....30    NORMAL.....27 MEAN....42    NORMAL.....36 DEPARTURE FROM 30-YEAR NORMAL...........+6 TOTAL DEPARTURE FOR THE MONTH..........+45 [+3.0 DEGREES/DAY]   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY............23  DEPARTURE........-6 TOTAL HEATING UNITS FOR THE MONTH...........394  DEPARTURE.......-49 TOTAL HEATING UNITS FOR THE SEASON.........4642  DEPARTURE......-369 TOTAL HEATING UNITS LAST SEASON TO DATE....4545  DIFFERENCE......+97    PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............24 ENE AT 11:14 P.M. *                        AEROVANE.............22 SSE AT 12:47 A.M.                        ASOS.................22 ENE AT 11:14 P.M.                        DAVIS................23 SSE AT 12:28 A.M.      FASTEST MILE FOR YESTERDAY..............17 SSE AT 12:48 A.M.    MAXIMUM 2-MINUTE ASOS AVERAGE...........16 NE  AT 11:07 P.M.  MAXIMUM 2-MINUTE DAVIS AVERAGE..........18 SSE TIME N/A    AVERAGE WIND SPEED AND DIRECTION.......8.9 S                     ASOS................8.6                        DAVIS.............. 8.4 SE [130 deg]   * last of several occurrences PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.23   DEPARTURE......+0.07                           ASOS..............0.20 TOTAL PRECIPITATION FOR THE MONTH..........4.03   DEPARTURE......+1.92                          ASOS..............3.97  TOTAL PRECIPITATION FOR THE YEAR..........16.07   DEPARTURE......+5.12                          ASOS.............18.28 # # Includes erroneous ASOS precipitation data on 2/13/08.   SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.1   DEPARTURE.....-0.3 TOTAL SNOWFALL FOR THE MONTH................3.9   DEPARTURE.....-2.3 TOTAL SNOWFALL FOR THE SEASON..............64.0   DEPARTURE....+12.4    PRELIMINARY CLIMATE SUMMARY FOR MARCH 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   3/1  37/20/29/-3/0.34/3.2/034/05   38 W     Aero 40 MPH W 3/2  37/23/30/-2/0/0/564/83        40 WNW 3/3  46/24/35/+3/0/0/327/48        42 S     Aero 43 MPH S 3/4  58/36/47/+14/0.41/0/089/13    42 S     Aero 43 MPH S 3/5  57/33/45/+12/0.31/0/199/29    45 S 3/6  46/27/37/+4/0/0/573/83        27 WSW 3/7  44/31/38/+5/0.28/0/395/57     29 NE 3/8  61/35/48/+14/2.20/0/000/00    69 SSW   Aero 70 MPH S 3/9  47/24/36/+2/0/0/698/100       65 W     Aero 65 MPH W 3/10 38/19/29/-5/0/0/687/98        31 W 3/11 42/19/31/-4/0/0/.../..        31 S 3/12 40/30/35/0/0.26/0.6/.../..    41 WNW 3/13 43/25/34/-1/T/T/.../..        31 W 3/14 53/30/42/+6/T/0/.../..        24 ENE   3/15 morning low temp. 33F; normal low is now 27F   NEW DAILY RECORDS FOR MARCH 2008   3/8 PEAK WIND GUST - 69 MPH SSW; PREVIOUSLY 68e MPH NE, 1941   3/8 NEW RECORD MAXIMUM DAILY RAINFALL of 2.20 inches; the previous record was 1.73 inches in 1933.   DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR MARCH 15 HIGH 80 IN 1990 LOW 6 IN 1993 PRE 1.33 INS. IN 1972 SNOW 12.0 INS. 1967 WIND 73e MPH ESE IN 1940   RECORDS FOR MARCH 16 HIGH 73 IN 1990 LOW 8 IN 1932 PRE 1.95 INS. IN 1900 SNOW 10.0 INS. IN 1896 WIND 79 MPH NE IN 1956   TODAY'S REPORT PREPARED By: Robert Skilling