BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA THURSDAY OCTOBER 18 2001... PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....10/18/2001 @ 2 p.m. STRONG WEST WINDS OVERNIGHT... The strongest winds on Wednesday occurred late last evening. West winds began gusting over 40 MPH shortly before 10 p.m. A peak gust to 51 MPH was recorded on both the 420C wind system and Aerovane at 10:52 p.m. A hourly average of 34 MPH occurred during the hour from 10 p.m. to 11 p.m. A fastest 2-minute wind of 39 MPH W was recorded by ASOS at 10:53 p.m. VERY CLEAR SKIES AND EXCELLENT VISIBILITY TODAY.... The view today from the summit is at least 90 miles and hardly a cloud has been seen all during the morning. It's another sunny day in a very sunny month. Our percentage of bright sunshine is way up above normal for the month to date. Through October 17, that number is 67 percent and normal for all of October is only 55%. TODAY'S OBSERVATIONS.... 10/18/2001 THU 8 A.M. BHO SA 1155 CLR 80 179/40/28/2614G20/006/ FEW CUFRA OFFSHR DSNT E FEW AC DSNT NNE/ 8/140/ 51021 10044 20039 11 A.M. BHO SA 1455 350 -SCT 90 194/49/26/2814G22/010/ THN CI SE-W/ 8/001/ 51015 2 P.M. BHO SA 1755 CLR 90 198/56/26/2614/011/ WND 24V30/ 50004 10056 20040 DATA RECORDED FOR WEDENSDAY OCTOBER 17 .... TEMPERATURES.... MAX : 57 MIN: 45 // ASOS MAX: 57 ASOS MIN: 45 NORMAL HIGH AND LOW: 61/43 MEAN 52 [ - 1] TOTAL DEP FOR MONTH TO DATE: +51 degrees Oct. is averaging 3 degrees warmer than normal daily..... PRECIPITATION....ON 10/18 AS OF 8 A.M. 24 HRS ENDING 8 A.M. ....0.00 IN. ASOS......................................0.00 IN. OCT. TOTAL TO DATE: 0.74 IN. DEP. FROM NORMAL: - 1.31 IN. OCT. SNOWFALL: Trace YEAR 2001 TO DATE: 40.82 {+ 3.50 INS. ] WIND DATA....FOR 10/17 PEAK GUST ASOS: 48 MPH W AT 10:52 P.M. PEAK GUST: 51 MPH W AT 10:52 P.M. PEAK GUST AERO: 51 MPH W AT 10:52 P.M. DAILY OCT. 2001 DATA....AT BLUE HILL... max/min/mean/dep/precip/snowfall/sun mins/%/pk gust/TSTM = thunderstorm day (Aero = the aerovane wind system ) 10/1 55/49/51/-5/T/000/00/ 29 N 10/2 73/50/62/+5/0/639/91/ 24 W 10/3 78/55/67/+11/0/643/92/ 30 SSW (Aero 32 SSW) 10/4 80/60/70/+14/0/639/92/ 38 WSW (Aero 38 WSW ) 10/5 79/59/69/+13/0/637/92/ 35 SSW 10/6 69/45/57/+2/0.05/214/31/ 55 W (Aero 55 MPH W ) 10/7 54/36/45/-10/0/673/98/ 44 W (Aero 44 MPH W ) 10/8 51/32/42/-12/T/T/636/93/ 39 WNW (Aero 40 MPH WNW) 10/9 59/34/47/-7/0/0/614/90/ 24 SW 10/10 70/45/58/+4/0/0/631/93/ 24 SSW (Aero 26 MPH SSW) 10/11 75/50/63/+10/0/0/608/90/ 27 SSW (Aero 28 MPH SSW) 10/12 76/54/65/+12/0/0/532/79/ 18 SSW 10/13 57/50/54/+1/0.02/0/000/00/ 20 NE 10/14 54/51/53/+1/0.09/0/000/00/ 22 NE 10/15 66/52/59/+7/0.07/0//386/58/ 37 WNW (the daily precip. is corrected from last report) 10/16 67/49/58/+6/0.51/0/556/84/ 31 SSE 10/17 57/45/52/-1/T/0/317/48/ 51 W (Aero 51 MPH W ) 10/18 morning lo was 39 RECORDS FOR OCTOBER 18 HIGH 82 IN 1902 LOW 26 IN 1939 PRECIP 2.79 INS 1975 PEAK GUST 66 MPH S IN 1967 RECORDS FOR OCTOBER 19 HIGH 81 IN 1945 LOW 21 IN 1922 PRECIP 3.64 INS 1932 PEAK GUST 66 MPH SSW IN 1966 e = estimated Robert Skilling