BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA THURSDAY SEPTEMBER 13 2001 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....9/13/2001 @ 2 P.M. Dry weather pattern continues....just 0.24 inch so far for September... And just 0.75 inch past three weeks or since August 20th.... This continues to be a VERY SUNNY MONTH with more than 85% of the possible bright sunshine to date... TODAY'S OBSERVATIONS.... 9/13/2001 THU 8 A.M. BHO SA 1155 CLR 30 192/61/54/2009/010/ THN K LYR ALG HRZNS VSBY N 20 WNW 55 ABV INVSN/ 50001 10061 20056 11 A.M. BHO SA 1455 CLR 35 178/75/55/2109/006/ THN K ARND HRZNS VSBY NNE 25 WNW 45 WND 18V27/ 58014 2 P.M. BHO SA 1755 CLR 35 163/82/53/2510/001/ CU FRMG W-N FEW TCU NNW-N LGT HZ INCRSNG WND 21V29/ 8/200/ 56015 10083 20061 DATA RECORDED FOR WEDNESDAY SEPTEMBER 12..... TEMPERATURES.... MAX 75 MIN 54 // ASOS MAX 75 ASOS MIN 54 NORMAL HIGH AND LOW: 73/55 MEAN 65 [ + 2] TOTAL DEP FOR MONTH TO DATE: +40 degrees PRECIPITATION....ON 9/13 AS OF 8 A.M. 24 HRS ENDING 8 A.M. ..0.00 IN. ASOS..............................0.00 IN. SEPT. TOTAL TO DATE: 0.24 IN. DEP. FROM NORMAL: - 1.32 IN. AUGUST 2001 TOTAL.......4.83 INS. (standard gage) AUGUST ASOS TOTAL:... 4.76 INS. YEAR 2001 TO DATE: 37.60 {+ 4.59 INS. ] WIND DATA....FOR 9/12.. PEAK GUST ASOS: 18 MPH S AT 9:13 P.M. PEAK GUST: 20 MPH NW AT 6:57 A.M. PEAK GUST AERO: 20 MPH NW AT 6:57 A.M. DAILY SEPT. 2001 DATA....AT BLUE HILL... max/min/mean/dep/precip/sun mins/%/pk gust/TSTM = thunderstorm day (Aero = the aerovane wind system ) 9/1 77/55/66/+0/T/560/71/ 30 NW 9/2 71/50/61/-5/0/755/96/ 18 SSE 9/3 75/55/65/-1/0/767/98/ 25 S 9/4 79/56/68/+3/0.24/375/48/ 46 W (Aerovane 43 mph W)(Maximum, Inc. 46 MPH WNW) TSTM 9/5 72/55/64/-1/0/730/94/ 30 NNW . 9/6 75/50/63/-2/0/751/97/ 17 WSW (total sunshine minutes has been corrected) 9/7 84/58/71/+6/0/733/95/ 24 SW 9/8 84/62/73/+9/0/615/80/ 25 SSW 9/9 85/65/75/+11/0/.../../ 27 S 9/10 85/65/75/+11/0/649/85/ 27 S 9/11 79/60/69/+7/0/.../../ 27 NW 9/12 75/54/65/+2/0/.../../ 20 NW RECORD FOR SEPTEMBER 13 HIGH 91 IN 1957 LOW 40 IN 1985 PRECIP 3.10 INS 1987 PEAK GUST 44 MPH WNW 1986 RECORDS FOR SEPTEMBER 14 HIGH 90 IN 1931 LOW 34 IN 1911 PRECIP 4.38 INS 1944 (GREAT ATLANTIC HURRICANE) PEAK GUST 96 MPH E IN 1944 (GREAT ATLANTIC HURRICANE) e = estimated Robert Skilling