BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA TUESDAY APRIL 09 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....4/9/2002....2 p.m. WARM AND WINDY....68 DEGREES AND 46 MPH.... The thermometer reached 68 degrees here early this afternoon with S wind frequently gusting to 35 to 40 mph. A peak gust of 46 MPH SSW was recorded by Aerovane at 12:28 p.m. The 420C wind system recorded a peak of 43 MPH SSW. Maximum, Inc. Maestro had 47 MPH. The average wind speed on Merlin thru 2:30 p.m. was 24.0 MPH SSW with a peak gust to 45 mph SSW. TODAY'S OBSERVATIONS.... 4/9/2002 TUE 8 A.M. BHO SA 1155 E7 OVC 9 231/51/48/2013G20/021/ OVC PTLY THN HIER CLDS VSB THN FH ALQDS PK WND 1830/31/ 8/63// 55010 70001 10051 20046 11 A.M. BHO SA 1455 150 SCT 220 SCT 250 -BKN 300 -OVC 20 212/65/50/1917G27/016/ FEW SC SE-S FEW ACSL ALQDS FEW DENSE CI HAZY PK WND 1935/29/ 8/542/ 56019 2 P.M. BHO SA 1755 300 -OVC 20 188/67/51/1824G31/008/ FEW CUFRA ALQDS FEW ACSL NNW HAZY PK WND 1837/23/ 8/147/ 56024 10068 20051 THE DATA RECORDED FOR MONDAY APRIL 8... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT....EST MAX : 55 MIN: 36 // ASOS MAX: 46 ASOS MIN: 23 NORMAL HIGH AND LOW: 53/35 MEAN 46 [ + 2 ] TOTAL DEPARTURE FOR APRIL TO DATE: - 3 deg. THE APRIL TEMPERATURE IS AVERAGING VERY CLOSE TO NORMAL.... PRECIPITATION....ON 04/09 AS OF 8 A.M. 24 HRS ENDING 8 A.M. . 0.01 IN. ASOS......................0.01 INS. TOTAL FOR APRIL TO DATE...1.21 INS. STD GAGE DEP. FROM NORMAL.........+0.01 INS. PRECIP. TOTAL YEAR 2002: 11.41 INS. DEPARTURE FROM NORMAL....-3.42 INS. SNOWFALL.... ON 04/09 AS OF 8 A.M. 24 HRS ENDING 7 A.M.... 0.0 INS. APRIL TOTAL SNOWFALL......0.6 INS. SEASONAL TOTAL TO DATE. 39.6 INS. WIND DATA....FOR 04/08... PEAK GUST ASOS: 31 MPH S AT 10:09 P.M. PEAK GUST 420C: 32 MPH S AT 10:08 P.M. PEAK GUST AERO: 35 MPH S AT 10:08 P.M. APRIL 2002 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA.... MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUNSHINE/ OFFICIAL 420C WIND GUST Aero = Aerovane recording wind system 4/1 56/38/47/+6/1.02/0/244/32/ 54 W (Aero 53 MPH W ) 4/2 59/33/46/+4/0/0/582/76/ 37 W 4/3 66/36/51/+9/0.16/0/138/18/ 43 S (Aero 45 MPH WNW ) 4/4 48/31/40/-2/0/0/.../../ 31 WNW 4/5 44/26/35/-8/0.02/0.6/.../../ 22 NNW 4/6 45/28/37/-6/T/T/.../../ 31 NW 4/7 46/23/35/-8/0/0/.../../ 29 NNW 4/8 55/36/46/+2/0.01/0/023/03/ 32 S 4/9 low since midnight EST is 46 deg.; normal low is 35 RECORDS FOR APRIL 09 HIGH 83 IN 1991 LOW 18 IN 1888 PRECIP 2.38 INS 1935 SNOWFALL: 11.0 INS. 1917 PEAK GUST 72 MPH WNW IN 1972 RECORDS FOR APRIL 10 HIGH 83 IN 1922 LOW 20 IN 1985 PRECIP 2.40 INS 1935 SNOWFALL: 10.1 INS. 1996 PEAK GUST 66 MPH WNW IN 1967 RECORDS FOR APRIL 11 HIGH 78 IN 1945 LOW 19 IN 1909 PRECIP 1.50 INS 1958 SNOWFALL: 9.5 INS. 1958 PEAK GUST 65 MPH NW IN 1963 e = estimated Robert Skilling