BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 WEDNESDAY SEPTEMBER 04 2002 DISCUSSION.....9/4/2002....2 P.M. EARLY MORNING THUNDERSTORM.... An early morning thunderstorm left 0.12 inch of rain here and has been followed by warm and very humid conditions today with dewpoints rising to near 70 degrees. OBSERVATIONS FOR TODAY 9/4/2002 WED BHO SA 1155 W1 X 1/16R-F 140/65/65/2111/994/ TBUKNE40 MOVD E PCPN VRY LGT/ 8///// 52004 6012/ 70013 10066 20065 BHO SA 1455 4 SCT 100 SCT 250 BKN 300 OVC 8 134/70/68/2007/993/ FEW ACC N-NE BINOVC/LINE OF CLRG W-NW OVC PTLY THN THN F ALQDS VSBY SE-S 5 N 9 WND GRDLY BACKING/ 8/681/ 55006 6000/ BHO SA 1755 30 SCT 150 SCT 250 BKN 10 118/80/69/2310/988/ MDT CU HAZY/ 8/241/ 58016 6000/ 10081 20065 THE DATA RECORDED FOR TUESDAY SEPTEMBER 03 .... TEMPERATURES....CALENDAR DAY MIDNIGHT TO MIDNIGHT.... EASTERN STANDARD TIME... MAX: 68 MIN: 63// ASOS MAX: 68 ASOS MIN: 63 MEAN: 66 [-0] SEPTEMBER DEPARTURE IS: - 13 DEG. NORMAL HIGH/LOW/MEAN: 75/58/67 August averaged 3.1 degrees WARMER THAN NORMAL PRECIPITATION....ON 09/04 AS OF 8 A.M. EDT 24 HRS ENDING 8 A.M.......0.13 INS. ASOS......................0.12 INS. SEPTEMBER 2002 TOTAL......1.30 INS. DEPARTURE FROM NORMAL....+0.91 INS. AUGUST TOTAL..............2.77 INS. DEP. FRM NORMAL TO DATE..-1.29 INS. AUGUST ASOS TOTAL.........2.70 INS. PRECIP. TOTAL YEAR 2002...31.86 INS. DEPARTURE FROM NORMAL.....-2.00 INS. ASOS TOTAL FOR 2002.......N/A WIND DATA...TUESDAY SEPT. 03 2002 PEAK GUST ASOS: 23 MPH NE AT 2:52 A.M. EDT PEAK GUST 420C: 25 MPH NE AT 1:03 A.M. EDT PEAK GUST AERO: 24 MPH NE AT 1:03 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/+8/0.00/657/78/ 21 SSW 8/13 98/72/85/+14/0.00/663/79/ 25 S 8/14 99/73/86/+16/0.00/720/86/ 27 SSW 8/15 91/69/80/+10/0.00/626/75/ 28 S 8/16 92/73/83/+13/0.00/307/37/ 24 S 8/17 94/72/83/+13/0.00/754/91/ 23 WSW 8/18 93/75/84/+15/0.00/586/71/ 27 S 8/19 90/71/81/+12/0.00/354/43/ 24 W 8/20 75/62/69/+-0/0.66/369/45/ 23 NNW 8/21 79/61/70/+1/0.00/810/99/ 21 ENE 8/22 79/62/71/+2/0.24/408/50/ 29 S 8/23 68/57/63/-6/0.07/358/44/ 33 NNE 8/24 66/56/60/-9/0.31/000/00/ 20 NNE 8/25 78/55/67/-1/0.01/436/54/ 17 W 8/26 84/61/73/+5/0.00/596/74/ 21 WSW 8/27 75/63/69/+1/0.00/626/78/ 29 NE 8/28 67/59/63/-5/0.00/160/20/ 27 NE 8/29 62/57/60/-7/0.95/000/00/ 20 NE 8/30 69/57/63/-4/0.14/254/32/ 24 N 8/31 64/54/59/-8/0/531/67/ 37 NE SEPT. 2002...... 9/1 66/52/59/-8/0.01/46/06/ 18 ENE 9/2 63/59/61/-5/0.87/000/00/28 NNE 9/3 68/63/66/0/0.29/000/00/ 25 NE 9/4 MORNING LOW TEMP. 64 SUNNY BUT NOT RECORD SUNNY FOR AUGUST.... The final sunshine figure was 65% of possible which was 7 points above the normal of 58% for August. There was a total of 279.8 of sunshine during the month. RECORDS FOR SEPTEMBER 04 HIGH 90 IN 1953,1973 LOW 46 IN 1987 PRECIP 3.22 INS IN 1922 PEAK GUST 47 SE IN 1966 e = estimated Robert Skilling