BLUE HILL METEOROLOGICAL OBSERVATORYMILTON, MASSACHUSETTS 02186ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARYTHURSDAY, MARCH 13, 2008ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED Today's observations: 8 A.M. EDTWeather: Overcast cirrostratus, breaks distant N-NE and STemperature: 25F, Dew point: 10F, Wind: NW at 12G19 ktsSea-level pressure: 30.00 inches Hg, risingVisibility: 70 miles6-hour min temp: 25F24-hour rainfall: 0.26 in.24-hour snowfall: 0.6 in.BHO SA 1155 E250 OVC 70 158/25/10/3212G19/000/ BINOVC DSNTN-NE AND S/ 8/007 51025 MANUAL 70026 ASOS 70026 10028 20025  11 A.M. EDTWeather: Clear, few cirrus NW-N-E and distand SW-WNWTemperature: 31F, Dew point: 3F, Wind: WNW at 5 ktsWind: light and variableSea-level pressure: 30.03 inches Hg, risingVisibility: 80 milesBHO SA 1455 CLR 80 168/31/3/3005/003/ FEW CI NW-N-E ANDDSNT SW-WNW WND LGT AND VRB/ 8/001 50010 2 P.M. EDT Weather: Thin broken cirrusTemperature: 38F, Dew point: 1F, Wind: SW at 7 ktsWind: Variable in directionSea-level pressure: 29.98 inches Hg, fallingVisibility: 75 miles6-hour max. temp: 38FBHO SA 1755 250 –BKN 75 153/38/1/2307/998/ WND VRB/8/001 58015 10038 20025 WEATHER SUMMARY FOR WEDNESDAY, MARCH 12 TEMPERATURE (DEGREES F)MAX.....40    NORMAL.....43MIN.....30    NORMAL.....27MEAN....35    NORMAL.....35DEPARTURE FROM 30-YEAR NORMAL............0TOTAL DEPARTURE FOR THE MONTH..........+40 [+3.1 DEGREES/DAY] HEATING DEGREE DAYSTOTAL HEATING UNITS FOR YESTERDAY............30  DEPARTURE.........0TOTAL HEATING UNITS FOR THE MONTH...........340  DEPARTURE.......-44TOTAL HEATING UNITS FOR THE SEASON.........4588  DEPARTURE......-364TOTAL HEATING UNITS LAST SEASON TO DATE....4517  DIFFERENCE......+71  PEAK GUST AND AVERAGE WIND SPEED (MPH)PEAK WIND GUST FOR YESTERDAY............41 WNW AT  5:38 P.M.                      AEROVANE.............41 WNW AT  5:38 P.M.                      ASOS.................38 NW  AT  5:39 P.M.                     DAVIS................42 WNW AT  5:38 P.M.   FASTEST MILE FOR YESTERDAY..............28 WNW AT  5:34 P.M.  MAXIMUM 2-MINUTE ASOS AVERAGE...........28 NW  AT  5:34 P.M.MAXIMUM 2-MINUTE DAVIS AVERAGE..........31 WNW AT  5:34 P.M.   AVERAGE WIND SPEED AND DIRECTION......14.8 WNW                    ASOS...............14.0                      DAVIS..............14.1 WSW [237 deg]   PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.26   DEPARTURE......+0.11                          ASOS..............0.26TOTAL PRECIPITATION FOR THE MONTH..........3.80   DEPARTURE......+2.00                         ASOS..............3.77 TOTAL PRECIPITATION FOR THE YEAR..........15.84   DEPARTURE......+5.20                         ASOS.............18.08 ## Includes erroneous ASOS precipitation data on 2/13/08. SNOWFALL (INCHES) THROUGH THIS MORNING (EST)TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.6   DEPARTURE.....+0.2TOTAL SNOWFALL FOR THE MONTH................3.8   DEPARTURE.....-1.6TOTAL SNOWFALL FOR THE SEASON..............63.9   DEPARTURE....+13.1 PRELIMINARY CLIMATE SUMMARY FOR MARCH 2008 CALENDAR DAY DATADATA REPORTED:DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUSTAERO: Aerovane recording wind system when significantTSTM: 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 W3/2  37/23/30/-2/0/0/564/83        40 WNW3/3  46/24/35/+3/0/0/327/48        42 S     Aero 43 MPH S3/4  58/36/47/+14/0.41/0/089/13    42 S     Aero 43 MPH S3/5  57/33/45/+12/0.31/0/199/29    45 S3/6  46/27/37/+4/0/0/573/83        27 WSW3/7  44/31/38/+5/0.28/0/395/57     29 NE3/8  61/35/48/+14/2.20/0/000/00    69 SSW   Aero 70 MPH S3/9  47/24/36/+2/0/0/698/100       65 W     Aero 65 MPH W3/10 38/19/29/-5/0/0/687/98        31 W3/11 42/19/31/-4/0/0/.../..        31 S3/12 40/30/35/0/0.26/0.6/.../..    41 WNW 3/13 morning low temp. 25F; 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 EXTREMESTemperature and precipitation records back to 1885, andwind records back to 1940 (e = estimated): RECORDS FOR MARCH 13HIGH 72 IN 1990LOW -1 IN 1885PRECIP 2.47 INS. IN 1993SNOWFALL 10.0 INS. IN 1993PEAK GUST 76 MPH ENE IN 1993 [THE "STORM OF THE CENTURY"] RECORDS FOR MARCH 14HIGH 74 IN 1946LOW 8 IN 1926PRECIP 1.72 INS. IN 1984SNOWFALL 6.7 INS. IN 1958PEAK GUST 66 MPH WNW IN 1982 TODAY'S REPORT PREPARED By: Stephanie Radner