BLUE HILL METEOROLOGICAL OBSERVATORYMILTON, MASSACHUSETTS 02186ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARYTUESDAY, MARCH 11, 2008ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED CLEAR SKY WITH FULL SUNSHINE TODAY BUT STILL SLIGHTLYCOLDER THAN NORMAL TEMPERATURES DURING IN A MONTH THATIS CURRENTLY 4 DEGREES WARMER THAN NORMAL TO DATEMARCH--A WINDY MONTH TO DATE Despite full bright sunshine the temperature is still inthe middle to upper 30's early this afternoon. The air is verydry with dewpoints in the lower to middle single numbersand relative humidities in the 20% range. March continuesa somewhat colder than normal trend today which began yesterdayThis comes after the first ten days averaged just over 4 degreeswarmer than average. This month has lived up to what is often referred to as being a windy month.  The average wind speed for the first10 days is 16.9 MPH. So far, it has been far more windy than  the 13.7 MPH and 13.4 MPH average for each of the months ofJanuary and February respectively.  Today's observations: 8 A.M. EDTWeather: Clear with a layer of altocumulus along the southern horizonTemperature: 22F, Dew point: 8F, Wind: WNW at 08 ktsSea-level pressure: 30.17 inches Hg, steadyVisibility: 75 miles6-hour min temp: 19FBHO SA 1155 CLR 75 217/22/8/2908/017/ AC LYR DSNT SE-SSWALG HRZN/ 8/070 51005 10025 20019 11 A.M. EDTWeather: Clear, few high clouds distant SSE-SSW along horizon Temperature: 31F, Dew point: 3F, Wind: W at 07 kts,Wind: direction variability WSW-NWSea-level pressure: 30.13 inches Hg, fallingVisibility: 60 miles, light distant haze BHO SA 1455 CLR 60 204/31/3/2807/013/ FEW CI DSNT SSE-SSW LGT DSNT HZWND 24V31/ 8/001 58013  2 P.M. EDT Weather: Thin scattered cirrus clouds Temperature: 38F, Dew point: 4F, Wind: SW at 11 ktsWind: direction variability S-WNWSea-level pressure: 30.06 inches Hg, fallingVisibility: 60 miles6-hour max. temp: 39FBHO SA 1755 250 –SCT 300 –SCT 60 179/38/4/2311/006/WND 17V29/ 8/001 57025 10039 20022  WEATHER SUMMARY FOR MONDAY, MARCH 10 TEMPERATURE (DEGREES F)MAX.....38    NORMAL.....43MIN.....19    NORMAL.....26MEAN....29    NORMAL.....34DEPARTURE FROM 30-YEAR NORMAL..........- 5TOTAL DEPARTURE FOR THE MONTH..........+44 [+4.2 DEGREES/DAY] HEATING DEGREE DAYSTOTAL HEATING UNITS FOR YESTERDAY............36  DEPARTURE.......+ 5TOTAL HEATING UNITS FOR THE MONTH...........276  DEPARTURE.......-48TOTAL HEATING UNITS FOR THE SEASON.........4524  DEPARTURE......-368TOTAL HEATING UNITS LAST SEASON TO DATE....4472  DIFFERENCE......+52  PEAK GUST AND AVERAGE WIND SPEED (MPH)PEAK WIND GUST FOR YESTERDAY............31 W   AT  3:50 P.M.                     AEROVANE.............30 W   AT  3:50 P.M.                    ASOS.................30 W   AT  3:50 P.M.                    DAVIS................32 W   AT  3:49 P.M.  FASTEST MILE FOR YESTERDAY..............23 W   AT  3:51 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...........24 W   AT  3:50 P.M.        MAXIMUM 2-MINUTE DAVIS AVERAGE..........26 W   AT  3:50 P.M.  AVERAGE WIND SPEED AND DIRECTION......13.3 W                    ASOS...............12.7                      DAVIS..............13.9 W  [270 deg]   PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00   DEPARTURE......-0.15                          ASOS..............0.00TOTAL PRECIPITATION FOR THE MONTH..........3.54   DEPARTURE......+2.04                         ASOS..............3.51 TOTAL PRECIPITATION FOR THE YEAR..........15.58   DEPARTURE......+5.24                         ASOS.............17.82 ## Includes erroneous ASOS precipitation data on 2/13/08.SNOWFALL (INCHES) THROUGH THIS MORNING (EST)TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0   DEPARTURE.....-0.4TOTAL SNOWFALL FOR THE MONTH................3.2   DEPARTURE.....-1.4TOTAL SNOWFALL FOR THE SEASON..............63.3   DEPARTURE....+13.3 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/N/A/0/395/57      29 NE3/8  61/35/48/+14/N/A/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/.../..        31 W 3/11 morning low temp. 19F; our normal low is now 26F 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 well over 2 inches;the actual amount will soon become available. The previousrecord was 1.73 inches in 1933.
DAILY EXTREMESTemperature and precipitation records back to 1885, andwind records back to 1940 (e = estimated): RECORDS FOR MARCH 11HIGH 65 IN 1967LOW 4 IN 1939, 1960PRECIP 2.11 INS. IN 1901SNOWFALL 6.3 INS. IN 1934PEAK GUST 66e MPH W IN 1980 RECORDS FOR MARCH 12HIGH 67 IN 1977LOW 2 IN 1885PRECIP 2.87 INS. IN 1888SNOWFALL 9.7 INS. IN 1959PEAK GUST 66 MPH SE IN 1962 TODAY'S REPORT PREPARED By: Robert Skilling