BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA FRIDAY APRIL 26 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....4/26/2002....11 A.M. SNOWFALL TOTALS 0.7" LAST NIGHT, 0.75 LIQUID PRECIPITATION... The quick hitting storm system yesterday afternoon into last night brought rain, snow, sleet, and thunder to the hill. 0.75" of liquid precipitation was recorded with 0.7" of snow and sleet. A thunderstorm was also observed around 6pm EDT last evening. Wind gusts reached 42 MPH S at 4:15pm as the rain commenced. TODAY'S OBS.... 8 A.M. BHO SA 1155 CLR 30 163/36/31/2816G21/001/ SC DSNT SW-NW TOTAL NEW SNW PST 24 HRS 0.7 IN/ 8/500/ 52020 70075 10036 20031 11 A.M. BHO SA 1455 45 BKN 60 170/46/29/2917G27/003/ FEW ACSL NW/ 8/540/ 51007 THE DATA RECORDED FOR THURSDAY APRIL 25.... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT....EST MAX : 57 MIN: 32 // ASOS MAX: 57 ASOS MIN: 32 NORMAL HIGH AND LOW: 59/40 MEAN 45 [- 5] TOTAL DEPARTURE FOR APRIL TO DATE: +121 deg. THE APRIL TEMPERATURE IS 4.8 DEGREES ABOVE NORMAL..... PRECIPITATION....ON 04/26 AS OF 8 A.M. 24 HRS ENDING 8 A.M. . 0.75 INS ASOS......................0.71 INS. TOTAL FOR APRIL TO DATE...2.73 INS. STD GAGE DEP. FROM NORMAL........- 0.93 INS. PRECIP. TOTAL YEAR 2002: 12.93 INS. (corrected ) DEPARTURE FROM NORMAL....-4.36 INS. SNOWFALL.... ON 04/26 AS OF 8 A.M. 24 HRS ENDING 7 A.M.... 0.7 INS. APRIL TOTAL SNOWFALL......1.3 INS. SEASONAL TOTAL TO DATE. 40.3 INS. WIND DATA....FOR 04/25... PEAK GUST ASOS: 40 MPH SSE AT 4:11 P.M. EDT PEAK GUST 420C: 42 MPH S AT 4:10 P.M. EDT PEAK GUST AERO: 41 MPH S AT 4:10 P.M. EDT 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/-2/0/0/694/90/ 31 WNW 4/5 44/26/35/-8/0.02/0.6/410/53/ 22 NNW 4/6 45/28/37/-6/T/T/389/50/ 31 NW 4/7 46/23/35/-8/0/0/741/95/ 29 NNW 4/8 55/36/46/+2/0.01/0/023/03/ 32 S 4/9 69/46/58/+14/T/0/440/56/ 46 SSW 4/10 65/47/56/+12/0.12/0/638/81/ 32 NW 4/11 52/38/45/0/0/0/751/95/ 28 E 4/12 65/37/51/+6/0/0/746/94/ 40 S 4/13 74/53/64/+19/T/0/207/26/ 40 SW 4/14 76/53/65/+19/0.06/0/647/81/ 39 W 4/15 62/44/53/+7/0.10/0/209/26/ 22 SSW 4/16 86/44/65/+19/0/0/539/67/ 21 SSW 4/17 93/51/72/+25/0/0/646/80/ 51 NE (new daily record max. temp. ) 4/18 72/45/59/+12/0.17/0/583/72/ 24 NNW 4/19 78/44/61/+14/0.02/0/260/32/ 31 SSW 4/20 68/45/57/+9/T/0/196/24/ 27 N 4/21 56/40/48/0/0/0/450/55/ 33 WNW 4/22 40/35/38/-11/0.27/T/000/00/ 30 E 4/23 44/31/38/-11/0.02/T/.../../ 24 NW 4/24 54/33/44/-5/0/0/761/92/ 22 E 4/25 57/32/45/-5/0.75/0.7/.../../ 42 S 4/26 Morning low 31 degrees... RECORDS FOR APRIL 26 HIGH 83 IN 1908 LOW 23 IN 1919 PRECIP 1.64 INS 1931 SNOWFALL: 1.0 INS. IN 2000 PEAK GUST 53 MPH SSW IN 1996 RECORDS FOR APRIL 27 HIGH 93 IN 1990 LOW 28 IN 1919 PRECIP 1.89 INS 1979 SNOWFALL: 2.7 INS. IN 1993 PEAK GUST 65e MPH N IN 1941 e = estimated MFD