BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA TUESDAY SEPTEMBER 18 2001 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....9/18/2001 MANY SUNNY DAYS HELP TO BRIGHTEN AN OTHERWISE SOMBER MOOD SINCE THE SEPT. 11 TRAGIC EVENTS MAYBE RECORD SUNNY FIRST HALF OF SEPTEMBER....83% OF POSSIBLE FIRST 16 DAYS.... Fourteen out of sixteen sunny days have been recorded thru Sept. 16th. That's possibly a record sunny period for early September although it's a difficult statistic to track. And, on the 17th and 18th the sunshine continues on so no change in this extremely sunny pattern so far. TODAY'S OBSERVATIONS.... 9/18/2001 TUE 8 a.m. BHO SA 1155 CLR 35 164/56/50/3509/001/ FEW AC DSNT W CI ALQDS FEW PTCHS THN GF DSSPTG SW-W THN K LYR ALG HRZN N-NE AND SE-S VSBY N-NE 25 WNW-NW 55/ 8/031/ 53006 10057 20054 11 a.m. BHO SA 1455 180 SCT 250 SCT 50 166/70/50/0510G16/002/ ACC AND AC FLOCCUS/SNW VIRGA SW-N/ 8/081/ 50002 2 p.m. BHO SA 1755 55 SCT 160 SCT 220 SCT 50 158/73/49/0809/000/ CU/SC XCPT OVHD-NE-SE WND 03V10/ 8/441/ 58008 10074 20056 DATA RECORDED FOR MONDAY SEPTEMBER 17..... TEMPERATURES.... MAX 73 MIN 5249 // ASOS MAX 73 ASOS MIN 52 NORMAL HIGH AND LOW: 70/53 MEAN 63 [ + 2] TOTAL DEP FOR MONTH TO DATE: +32 degrees PRECIPITATION....ON 9/18 AS OF 8 A.M. 24 HRS ENDING 8 A.M. ..0.00 IN. ASOS..............................0.00 IN. SEPT. TOTAL TO DATE: 0.75 IN. DEP. FROM NORMAL: - 1.46 IN. YEAR 2001 TO DATE: 38.11 {+ 4.45 INS. ] WIND DATA....FOR 9/17.. PEAK GUST ASOS: 16 MPH SSW AT 10:40 P.M. PEAK GUST: 17 MPH N AT 6:07 A.M. PEAK GUST AERO: 18 MPH N AT 6:07 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 (Aero 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 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/+11/0/659/86/ 27 S 9/10 85/65/75/+11/0/649/85/ 27 S 9/11 79/60/69/+7/0/715/94/ 27 NW 9/12 75/54/65/+2/0/743/98/ 20 NW 9/13 84/56/70/+7/0.14/710/94/ 23 W TSTM 9/14 59/49/54/-8/0.37/000/00/ 44 W TSTM (Aero 47 MPH WNW) 9/15 64/44/54/-8/0/742/99/ 18 NNW 9/16 73/49/61/-1/0/732/98/ 16 SSW 9/17 73/52/63/+2/0/.../../ 16 SSW 9/18 morning lo temp. 54 deg.; high thru 2 p.m. 74 deg. RECORDS FOR SEPTEMBER 18 HIGH 88 IN 1906 LOW 36 IN 1919 PRECIP 4.25 INS 1996 PEAK GUST 77e MPH WNW IN 1948 RECORDS FOR SEPTEMBER 19 HIGH 87 IN 1906/1983 LOW 37 IN 1929 PRECIP 3.69 INS 1936 PEAK GUST 48 MPH NE IN 1972 e = estimated Robert Skilling