BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA   DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, APRIL 4, 2006 ALL TIMES ARE IN EASTERN STANDARD TIME   A HALF INCH OF RAINFALL E WINDS GUSTED NEAR 50 MPH    The rain ended just about 11 a.m. and the final total for the event which began last evening was 0.55 inch. The rain was moderate between about 5 and 7 a.m. EDT when 0.28 inch was recorded by the ASOS system.     Increasing east winds early this morning reached peak speeds between 5 and 6 a.m. with peak gusts to 47 MPH on ASOS and 48 MPH on our manual 420C system.  The Maximum, Inc. Maestro recorded 51 MPH and Merlin 47 MPH E.  The maximum hourly average reached close to 30 mph with the maximum 2-minute sustained wind was 38 mph E at 5:34 A.M. The peak gust of 48  mph occurred at 5:47 a.m.     Today's observations: 7 A.M. Weather: Obscurement with fog, Light rain and drizzle Temperature: 46F, Dewpoint: 46F Wind: ESE AT 21G33 MPH Sea-Level Pressure: 29.44 inches Hg, falling Visibility: 1/4 variable fog   Precip: 24 hours: 0.51     Snowfall: 24 hours: 0.00 6-hourly min. temp. 40 deg. BHO SA 1155 W3X 1/4VR-L-F 970/46/46/1118G29/944/ STRA DRFTG OVR SMT VSBY 1/16V3/4/ PK WND 1133/38/ LB UKN PCPN VRY LGT/ 8//// 56032 ASOS 60040 MANUAL 6042/ ASOS 70049 MANUAL 70051 10046 20040 10 A.M. Weather: Obscurement with fog      Very light rain  Temperature: 47F, Dew point: 47F, Wind: S 16 MPH Sea-level pressure: 29.40 inches Hg, falling  Visibility: 1 mile (variable 1/2V1.5 3-HOURLY PRECIP: 0.04 BHO SA 1455 –X E3 OVC 1VR-F 957/47/47/1914/940/ F2 STRA DRFTG OVR SMT VSBY 1/2V11/2 WND GRDLY VEERING PCPN VRY LGT/ 8/6// 56013 ASOS 60004 MANUAL 6004/ 1 P.M. Weather: Low overcast   Visibility: 60 miles Temperature: 42F; Dew point: 40F; Wind: WSW 23G31 MPH Sea-level pressure: 29.41 inches Hg, rising  6 hourly max. temp. 49 deg. 6 hourly precip: 0.04 in. BHO SA 1755 E11 OVC 60 960/42/40/2520G27/941/ MTN INCLD 45 WNW PK WND 2527/53/ 8/5// ASOS 60004 MANUAL 6004/ 10049 20042   WEATHER SUMMARY FOR MONDAY, APRIL 3   TEMPERATURE (DEGREES F) MAX.....61   NORMAL.....50  HAZEN..61.4 @  1:20 p.m. MIN.....39   NORMAL.....33  HAZEN..39.4 @ 11:32 p.m. MEAN....50  NORMAL.....42   DEPARTURE FROM 30-YEAR NORMAL.......+ 8 TOTAL DEPARTURE FOR THE MONTH.......+34(+11.1 DEGREES/DAY)   HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY..........15   DEPARTURE......- 8 TOTAL HEATING UNITS FOR THE MONTH......... 21   DEPARTURE..... -34 TOTAL HEATING UNITS FOR THE SEASON.......4983   DEPARTURE.....-551 TOTAL HEATING UNITS LAST SEASON TO DATE..5534   DIFFERENCE....-480   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY.........30   E AT 10:13 P.M.                     AEROVANE..........28   E AT 10:13 P.M.                        ASOS..............30   E AT 10:13 P.M.                       DAVIS.............27   E AT  9:29 P.M. FASTEST MILE FOR YESTERDAY...........23 E   AT 11:29 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE........29 E   AT 11:29 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE.......21 E   AT  9:39 P.M. AVERAGE WIND SPEED AND DIRECTION...10.8  E                     ASOS............11.7  ESE [110 deg]                    DAVIS...........10.3  E   [080 deg]   PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M... 0.51   DEPARTURE....+0.36                             ASOS............. 0.49 TOTAL PRECIPITATION FOR THE MONTH..........0.56   DEPARTURE....+0.11                          ASOS..............0.54 TOTAL PRECIPITATION FOR THE YEAR..........10.28   DEPARTURE....-3.80                          ASOS..............9.98        SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M......... 0.0   DEPARTURE.....-0.1 TOTAL SNOWFALL FOR THE MONTH................0.0   DEPARTURE.... -0.4  TOTAL SNOWFALL FOR THE SEASON..............51.2   DEPARTURE.....-6.0    PRELIMINARY CLIMATE SUMMARY FOR APRIL 2006......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   4/1  68/46/57/+16/0.05/0/168/22     39 W 4/2  62/41/52/+10/0/0/689/90        39 WNW 4/3  61/39/50/+8/0.05/0/.../..      30 E   4/4  morning low temp. 39 deg.   DAILY EXTREMES Temperature and precipitation records back to 1885, and wind to 1940.   RECORDS FOR APRIL 4 HIGH 71 IN 1950 LOW 12 IN 1954 PRECIP 1.45 INCHES IN 1987 SNOWFALL 3.7 INCHES IN 1975 PEAK GUST 80 MPH WNW IN 1963 RECORDS FOR APRIL 5 HIGH 81 IN 1928 LOW 15 IN 1995 PRECIP 2.15 INCHES IN 1987 SNOWFALL 4.0 INCHES IN 1898 PEAK GUST 76 MPH WNW IN 1963 TODAY'S REPORT BY: Robert Skilling