BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA THURSDAY APRIL 11 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....4/11/2002....11 a.m. ABOVE NORMAL TEMPERATURES RETURN... Yesterday gave us a max of 65 degrees and a min of 47 degrees. The mean for the day was 56 degrees which was 12 degrees above normal. Tuesday we averaged 14 degrees above normal. The total departure for the month is now back up to plus 23, thus the month of April is averaging 2.3 degrees above normal daily. VERY HIGH PRESSURE FOR MID APRIL... Official sea-level pressure as computed off our mercurial barometer as of 11 A.M. is 30.72 in/hg. This is a very high reading for this time of year, however I doubt it's a record. TODAY'S OBSERVATIONS.... 8 A.M. BHO SA 1155 250 -BKN 30 390/44/29/0613G18/068/ FEW ACSL W-NW HAZY/ 8/041/ 53027 10044 20040 11 A.M. BHO SA 1455 250 -BKN 300 -OVC 45 403/48/29/0715G22/072/ WND 36V11 HAZY/ 8/001/ 52013 THE DATA RECORDED FOR WEDNESDAY APRIL 10... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT....EST MAX : 65 MIN: 47 // ASOS MAX: 65 ASOS MIN: 47 NORMAL HIGH AND LOW: 53/35 MEAN 56 [ +12 ] TOTAL DEPARTURE FOR APRIL TO DATE: +23 deg. THE APRIL TEMPERATURE IS 2.3 DEGREES ABOVE NORMAL..... PRECIPITATION....ON 04/11 AS OF 8 A.M. 24 HRS ENDING 8 A.M. . 0.00 INS. ASOS......................0.01 INS. TOTAL FOR APRIL TO DATE...1.33 INS. STD GAGE DEP. FROM NORMAL........- 0.17 INS. PRECIP. TOTAL YEAR 2002: 11.53 INS. DEPARTURE FROM NORMAL....-3.60 INS. SNOWFALL.... ON 04/11 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 04/10... PEAK GUST ASOS: 31 MPH NW AT 8:23 A.M. PEAK GUST 420C: 32 MPH NW AT 8:23 A.M. PEAK GUST AERO: 36 MPH NW AT 8:23 A.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 69/46/58/+14/T/0/.../../ 46 SSW 4/10 65/47/56/+12/0.12/0/.../../ 32 NW 4/11 Morning low 40 degrees... 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 RECORDS FOR APRIL 12 HIGH 82 IN 1945 LOW 17 IN 1926 PRECIP 1.51 INS 1993 SNOWFALL: 12.0 INS. 1894 PEAK GUST 65e MPH W in 1978 e = estimated MFD