BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 SUNDAY SEPTEMBER 22 2002 DISCUSSION FOR 9/22/2002 NOON EDT. Here at BHO we continue to observe well above normal temperatures that has pushed our departure for the month of September to +94. Very quickly I computed the degree departure for the year and I came out with +744. That is an incredible margin. It looks like January was the month with the greatest departure at +268 and June the lowest at -40. So far this year, only 2 of the 9 months have been below normal. However, precipitation is in demand and we have been plauged with a drought for most of the year. We are only 3.03 inches below normal so far this year, which could be worse considering how hot it has been and how little precipitation we received during the mid-summer months of July and August. Overall, we expect precipitation for tomorrow and Tuesday, but how much will we get and how much will it affect our drought situation? THE OBSERVATIONS FOR TODAY 9/22 BHO SA 1155 55 OVC 25 184/67/64/1911/007/ FEW THN SPTS IOVC/ 8/500 53007 10067 20065 BHO SA 1455 75 BKN 40 187/75/63/2012/008/ HAZY FEW CU SW CLR DSNT W-N/ 8/140/ 50003 THE DATA RECORDED FOR SATURDAY SEPTEMBER 21 TEMPERATURES ARE CALENDAR DAY MIDNIGHT TO MIDNIGHT EASTERN STANDARD TIME MAX: 80 MIN: 62 ASOS MAX: 81 ASOS MIN: 62 MEAN: 71 [+11] NORMAL HIGH/LOW/MEAN: 69/51/60 SEPTEMBER DEPARTURE TO DATE: +94 DEG. SEPTEMBER AVERAGES +4.5 DEGREES PER DAY PRECIPITATION FOR 09/22 AS OF 8 A.M. EDT 24 HRS ENDING 8 A.M.......0.00 IN ASOS......................0.00 IN SEPTEMBER TOTAL TO DATE...2.73 IN DEPARTURE FROM NORMAL....-0.14 IN SEPTEMBER ASOS TOTAL......N/A PRECIP. TOTAL YEAR 2002...33.29 INS. DEPARTURE FROM NORMAL.....-3.05 INS. ASOS TOTAL FOR 2002.......N/A WIND DATA FOR SATURDAY SEPTEMBER 21, 2002 PEAK GUST ASOS: 25 MPH SSW AT 12:19 P.M. EDT PEAK GUST 420C: 27 MPH SSW AT 12:46 P.M. EDT PEAK GUST AERO: 29 MPH SSW AT 12:41 P.M. EDT SEPT. 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 ASOS TWO MINUTE MAXIMUM WIND ON THE RIGHT... ASOS IS AUTOMATED SURFACE OBSERVING SYSTEM 9/1 66/52/59/-8/0.01/46/06/ 18 ENE ASOS 2 MIN MAX = 15 ENE 9/2 63/59/61/-5/0.87/000/00/ 28 NNE ASOS 2 MIN MAX = 20 NE 9/3 68/63/66/0/0.30/000/00/ 25 NE ASOS 2 MIN MAX = 17 NE 9/4 83/64/74/+8/0.12/406/52/ 22 NW/ TSTM 2 MIN MAX = 17 NW 9/5 73/56/65/-1/0/724/93/ 28 NW ASOS 2 MIN MAX = 22 NW 9/6 77/52/65/0/0/767/99/ 21 NNW " 2 MIN MAX = 16 NW 9/7 83/61/72/+8/0/757/98/ 17 SW " " = 14 SW 9/8 87/61/74/+9/0/754/98/ 21 SW " " = 17 SW 9/9 91/65/78/+14/0/729/95/ 20 WSW " " = 16 WSW 9/10 89/67/78/+14/0/504/66/ 28 SSW " " = 22 SSW 9/11 77/54/66/+2/0/251/33/ 58 NW " " = 44 WNW/ Aero gust 62 MPH WNW 9/12 69/48/59/-4/0/759/100/ 37 NW " " = 28 NW / Aero gust 40 MPH WNW 9/13 79/51/65/+2/0/703/93/ 32 WSW " " = 24 WSW 9/14 83/61/72/+9/0/572/76/ 29 S " " = 23 S 9/15 78/67/73/+10/0.42/023/03/ 37 SSW " " = 30 SSW 9/16 76/58/56/+5/1.01/000/00/ 32 S " " = 21 S 9/17 73/57/65/+3/0.00/.../../ 15 NNW 9/18 74/55/64/+4/0.00/.../../ 18 S 9/19 77/57/67/+6/0.00/.../../ 22 SSW 9/20 77/57/67/+6/0.00/.../../ 22 SSW 9/21 80/62/71/+11/0.00/.../../ 23 SSW RECORDS FOR SEPTEMBER 22 HIGH 90 IN 1895,1914 LOW 30 IN 1904 PRECIP 1.16 IN 2001 PEAK GUST 60 SSW IN 1989 RECORDS FOR SEPTEMBER 23 HIGH 93 IN 1895,1914 LOW 33 IN 1904 PRECIP 2.67 IN 1994 PEAK GUST 62 SSW IN 1989 RECORDS FOR SEPTEMBER 24 HIGH 87 IN 1959 LOW 33 IN 1885,1950 PRECIP 1.19 IN 1955 PEAK GUST 54e SW IN 1940 e = estimated Andrew Hoell