BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 TUESDAY AUGUST 20 2002 DAILY DISCUSSION...8/20/2002 The morning rainfall was unexpectedly beneficial with 0.66 inch recorded here in the standard gage and 0.65 in the ASOS tipping bucket. The heat wave ended at a record 9 days yesterday after a high temperature of 90 degrees. A total of eight daily records were either broken or equaled during the record long stretch of intense heat. Please see earlier special for all the details. OBSERVATIONS FOR TODAY.....8/20/2002 8/20/2002 TUE 8 a.m. BHO SA 1155 E20 OVC 2RF 147/62/62/3609/996/ VSBY E 3 PTCHS STFRA DRFTG BLO SMT OCNL R+ PST HR/ 8/02// 51030 6048/ 70048 10073 20062 11 a.m. BHO SA 1455 35 SCT E90 BKN 150 OVC 10R- 161/63/61/0210/001/ LINE MDT CU NW-NNW HIER CLDS VSB DSNT NW VSBY ENE 12 SE 8 S 6 WNW 20 PCPN VRY LGT/ 8/82// 51014 6018/ 2 p.m. BHO SA 1755 20 SCT 220 SCT 250 -BKN 30 167/72/60/0509/002/ VSBY WNW 45 WND 36V07/ 8/501/ 53006 6018/ 10072 20062 THE DATA RECORDED FOR MONDAY AUGUST 19TH.... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT.... EASTERN STANDARD TIME... MAX: 90 MIN: 71// ASOS MAX: 90 // ASOS MIN: 71 NORMAL HIGH AND LOW: 78/60 MEAN 81 [+ 12 ] TOAL DEP. FOR AUGUST IS +134 DEG. AUGUST AVERAGES +7 DEGREES PER DAY ON THE WARM SIDE TOTAL DEP. FOR JULY WAS + 27 DEG. JULY AVERAGED 0.6 DEGREE WARMER THAN NORMAL PRECIPITATION....ON 08/20 AS OF 8 A.M. EDT 24 HRS ENDING 8 A.M. 0.48 INS. ASOS......................0.47 INS. AUGUST TOTAL..............0.87 INS. DEP. FRM NORMAL TO DATE..-1.57 INS. AUGUST ASOS TOTAL.........0.39 INS. PRECIP. TOTAL YEAR 2002...28.66 INS. DEPARTURE FROM NORMAL.....-3.19 INS. ASOS TOTAL FOR 2002.......N/A WIND DATA...MONDAY AUGUST 19, 2002 PEAK GUST ASOS: 20 MPH W AT 6:25 P.M. EDT PEAK GUST 420C: 21 MPH W AT 6:24 P.M. EDT PEAK GUST AERO: 21 MPH N AT 8:05 A.M. EDT AUGUST 2002 PRELIMINARY DATA....ALL IS CALENDAR DAY DATA.... BELOW IS ORDER OF DATA REPORTED.... MAX/MIN/MEAN/DEP/PRECIP/SUNSHINE/ OFFICIAL 420C WIND GUST Aero = Aerovane recording wind system gust when significantly higher ... data as yet not available TSTM = thunderstorm day 8/1 91/70/81/+9/0.00/815/94/ 21 SSW 8/2 89/66/78/+6/0.39/545/63/ 41 W TSTM 8/3 90/66/78/+6/0.00/698/81/ 15 SE 8/4 91/68/80/+8/0.00/722/84/ 21 SSW 8/5 90/71/81/+9/0.00/438/51/ 29 WSW 8/6 72/58/65/-7/0.00/659/77/ 39 NW 8/7 79/56/68/-4/0.00/794/93/ 25 NW 8/8 80/58/69/-3/0.00/723/85/ 23 NW 8/9 80/58/69/-2/0.00/798/94/ 22 SSW 8/10 87/61/74/+3/0.00/652/77/ 22 WSW 8/11 93/64/79/+8/0.00/730/95/ 23 S 8/12 93/63/79/+8/0.00/.../../ 21 SSW 8/13 98/72/85/+14/0.00/.../../ 25 S 8/14 99/73/86/+16/0.00/.../../ 27 SSW 8/15 91/69/80/+10/0.00/.../../ 28 S 8/16 92/73/83/+13/0.00/.../../ 24 S 8/17 94/72/83/+13/0.00/.../../ 23 WSW 8/18 93/75/84/+15/0.00/.../../ 27 S 8/19 90/71/81/+12/0.00/.../../ 24 W RECORDS FOR AUGUST 20 HIGH 93 IN 1937 LOW 48 IN 1896,1905,1949 PRECIP 2.71 IN 1970 PEAK GUST 47 MPH W IN 1983 RECORDS FOR AUGUST 21 HIGH 92 IN 1937,1995 LOW 47 IN 1982 PRECIP 2.84 IN 1888 PEAK GUST 51 ESE IN 1997 e = estimated Robert Skilling