BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA MONDAY SEPTEMBER 17 2001 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ DAILY DISCUSSION.....9/17/2001 COOL WEEK-END BUT MONTH STILL WARMER THAN NORMAL..... The past three days have had a total negative temp. departure of minus 17 degrees but the month of September still total plus 30 on the plus side of normal or 2 degrees warmer than normal... TODAY'S OBSERVATIONS.... 9/17/2001 MON 8 a.m. BHO SA 1155 220 SCT 60 198/54/45/3611/011/ DENSE CS LYR XTDNG ENE-S THN K LYR ALG HRZNS VSBY N-NNE 30 WNW 75 PTCHS THN GF AND FEW DENSE PTCHS DSNT SE-SW-W DSSPTD PST HR THN STEAM FOG OVR PONDS SE DSSPTD/ 8/008/ 53004 10056 20052 11 a.m. BHO SA 1455 CLR 60 210/66/50/0304/015/ CS LYR XTDNG DSNT ENE-SSE FEW CI DSNT SW THN K ALQDS DRK K LYR OVR CTY N VSBY N-NE 25 NW 70/ 8/008/ 51012 2 p.m. BHO SA 1755 CLR 60 195/72/49/0305/011/ FEW SML CU XCPT OVHD-NE-E DENSE CS LYR DSNT ENE-SSE THN K LYR ALF NW-N AND ALG HRZN NE VSBY NE 25 NW 70 WND LGT/ 8/108/ 56015 10072 20054 DATA RECORDED FOR SUNDAY SEPTEMBER 16..... TEMPERATURES.... MAX 73 MIN 49 // ASOS MAX 72 ASOS MIN 49 NORMAL HIGH AND LOW: 71/53 MEAN 61 [ - 1] TOTAL DEP FOR MONTH TO DATE: +30 degrees PRECIPITATION....ON 9/17 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: - 1.33 IN. YEAR 2001 TO DATE: 38.11 {+ 4.58 INS. ] WIND DATA....FOR 9/16.. PEAK GUST ASOS: 16 MPH SSW AT 3:43 P.M. PEAK GUST: 16 MPH SSW AT 3:43 P.M. ** PEAK GUST AERO: 18 MPH SSW AT 3:43 P.M. ** ** latest of several occurances 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 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 9/13 84/56/70/+7/0.14/.../../ 23 W TSTM 9/14 59/49/54/-8/0.37/.../../ 44 W TSTM 9/15 64/44/54/-8/0/.../../ 18 NNW 9/16 73/49/61/-1/0/.../../ 16 SSW 9/17 morning low temp. 52; high thru 2 p.m. 72 RECORDS FOR SEPTEMBER 17 HIGH 86 IN 1915/1941/1991 LOW 38 IN 1959 PRECIP 2.73 INS 1933 PEAK GUST 60 MPH WNW IN 1999 RECORDS FOR SEPTEMBER 18 HIGH 88 IN 1906 LOW 36 IN 1919 PRECIP 4.25 INS 1996 PEAK GUST 77e MPH WNW IN 1948 e = estimated Robert Skilling