BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA MONDAY MAY 13 2002 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ SEE OUR NEW OFFICE CAM FACING WEST OUT WEST WINDOW AT WWW.BLUEHILL.ORG/WEBCAM DAILY DISCUSSION... 5/13/2002...2 P.M. COLD AND WET! TEMP. RANGE ONE DEGREE THRU 2 P.M. 45 and 44 degrees... STORM TOTAL 0.95 INCH BY 2 P.M. TODAY.... Rainfall since noon on Sunday added up to almost 1 inch by early this afternoon. East winds were increasing and gusting to just over 30 mph with temps. holding the in the mid-40's making for a very cold and wet May day. TODAY'S OBS.... 5/13/2002 MON 8 A.M. BHO SA 1155 E3 OVC 11/2VR-L-F 156/45/45/0912G19/999/ CIG RGD STRA DRFTG OVR AND BLO SMT VSBY 1V2 CDNS OCNLY LWR R- INTMT/ 8/7/// 50002 6005/ 70050 10045 20044 11 A.M. BHO SA 1455 E3 OVC 3/4VR-F 147/45/45/0811G18/996/ CIG RGD STRA DRFTG OVR AND BLO SMT VSBY 1/2V2 N 1/4/ 8/7/// 58009 6017/ 2 P.M. BHO SA 1755 E3 OVC 1VR-F 125/44/44/0818G25/990/ CIG RGD STRA DRFTG OVR AND BLO SMT VSBY 1/2V11/2 W 3 R- OCNL R WND 05V10/ 8/7/// 58022 6045/ 10045 20044 THE DATA RECORDED FOR SUNDAY MAY 12...MOTHERS DAY TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT.... EASTERN STANDARD TIME... MAX : 56 MIN: 44 // ASOS MAX: 50 ASOS MIN: 44 NORMAL HIGH AND LOW: 66/46 MEAN 50 [ - 6 ] TOTAL DEPARTURE FOR MAY TO DATE: + 11 degrees THE MAY TEMPERATURE IS ABOUT 0.7 DEGREE WARMER THAN NORMAL TO DATE.... PRECIPITATION....ON 05/13 AS OF 8 A.M. 24 HRS ENDING 8 A.M. . 0.50 INS. ASOS......................0.49 INS. ASOS TOTAL FOR MAY....... 1.30 INS. TOTAL FOR MAY.............1.34 INS. STD GAGE DEP. FROM NORMAL........- 0.15 INS. PRECIP. TOTAL YEAR 2002: 14.85 INS. DEPARTURE FROM NORMAL....-4.59 INS. WIND DATA....FOR 05/12... PEAK GUST ASOS: 24 MPH E AT 9:57 P.M. EDT PEAK GUST 420C: 25 MPH SE AT 6:52 P.M. EDT PEAK GUST AERO: 24 MPH SE AT 6:52 P.M. EDT MAY 2002 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA.... MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUNSHINE/ OFFICIAL 420C WIND GUST Aero = Aerovane recording wind system ... data not yet available 5/1 58/38/48/-4/0.00/0/.../../ 38 W 5/2 49/42/46/-6/0.62/0/000/00/ 35 SE 5/3 54/42/48/-5/0.02/0/.../../ 71 W (Aero 70 MPH W)(Maximum, Inc. 74 mph ) 5/4 68/39/54/+1/0/0/.../../ 33 WNW 5/5 72/46/59/+6/0/0/.../../ 28 S 5/6 77/46/62/+8/0/0/.../../ 38 S (Aero 39 MPH S)(Maximum, Inc. 40 MPH S ) 5/7 74/51/63/+9/0/0/.../../ 39 SW 5/8 64/50/57/+3/0/0/.../../ 30 NW 5/9 57/45/51/-4/0.07/0/.../../ 30 ENE (daily precip. corrected ) 5/10 76/52/64/+9/0.13/0/../../ 45 WNW 5/11 66/46/56/0/0/0/.../../ 39 W 5/12 56/44/50/-6/..../../000/00/ 25 SE 5/13 morning low temp. 44; RECORDS FOR MAY 13 HIGH 85 IN 1947 LOW 35 IN 1914 PRECIP 2.05 INS 1975 SNOWFALL: 0 *** PEAK GUST 49 MPH NNW IN 1965 RECORDS FOR MAY 14 HIGH 85 IN 1961 LOW 33 IN 1895 PRECIP 0.92 INS 1931 SNOWFALL: 0 *** PEAK GUST 50e MPH SW IN 1976 *** the last day with measurable snowfall is May 11, 1907 with 1.0 inch. there has been no snow (including traces)from May 12 through the end of the month with the exception of a trace of sleet in a nor-easter on May 26, 1967. e = estimated Robert Skilling