BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA TUESDAY OCTOBER 02 2001 PLEASE VISIT OUR WEB SITE AT: http://www.bluehill.org/ OUR INTERNET CONNECTION WAS DOWN ALL DAY ON OCT. 1ST.... SO THERE WAS NO UPDATE FOR THAT DATE.... DAILY DISCUSSION.....10/2/2001 After a warm August and September, above normal temperatures are already returning on this 2nd day of October--it had reached the low 70's by noontime. Temperatures averaged several degrees cooler than normal during the last four days of September and October 1st was quite cool averaging 6 degrees below normal. SEPTEMBER 2001 A VERY SUNNY MONTH...ALSO 2 degrees WARMER AND 1 inch DRIER THAN NORMAL.... SEPTEMBER HAD 68% OF THE POSSIBLE BRIGHT SUNSHINE AND WAS OUR SUNNIEST SEPTEMBER SINCE 1983...there was 84% of the possible sunshine during the first 18 days of the month... SEPTEMBER 2001 DATA..... Av. Max. temp: 73.0 Av. Min. temp: 55.1 MEAN TEMP: 64.1 [ +2.2 ] TOTAL Heating units: 86 [ -30 ] Total heating this season: 103 [ - 24 ] TOTAL Cooling units: 62 [ + 39 ] Total cooling this season: 679 [ +245 ] TOTAL PRECIP: 2.72 ins. [ - 1.10 ins.] The 24 hour corrected mean temp. was 63.0 deg. or 2.1 warmer than the record mean for the month. Peak wind gust for the month: 58 MPH S (25TH) Aerovane Sunshine: 68% or 12 points above the average There were 7 thunderstorm days during September... TODAY'S OBSERVATIONS.... 10/2/2001 TUE 8 A.M. BHO SA 1155 CLR 45 107/53/43/2912/985/ FEW AC AND CI DSNT E-S LGT HAZE THN K LYR ALG NE HRZN/ 8/041/ 51015 10053 20050 11 A.M. BHO SA 1455 CLR 35 117/67/51/3007/988/ LGT HAZE ALQDS THN K LYR NE VSBY NE 30 WNW 45/ 51010 2 P.M. BHO SA 1755 E55 BKN 35 106/69/50/2713G20/985/ LGT HAZE ALQDS VSBY WNW 45/ WND 25V32/ 8/400/ 58011 10073 20052 OBSERVATIONS FOR 10/1 8 A.M. BHO SA 1155 100 SCT E130 OVC 50 121/49/45/3612G18/989/ FEW SC ENE-SE FEW LWR AC NW-NE BINOVC/CLR SKY BND XTDNG DSNT WNW-NW-DSNT NNE HIER CLDS VSBL DSNT NNW-NE VIRGA ALQDS VSBY E-S 20 NW 90/ 8/578/ 56013 6000/ 70002 10051 20049 11 A.M. BHO SA 1455 E130 OVC 60 103/52/46/0115G24/983/ FEW SC E-SE AC S-SW BINOVC/CLR SKY BAND XTNDG DSNT W-NW-NNE VIRGA OVHD-E-S SUN DMLY VSBL VSBY E-S 30 NW 90 RE00/ 8/57// 58018 6000/ 2 P.M. BHO SA 1755 100 SCT E150 BKN 200 OVC 60 095/54/42/3609/981/ FEW SC E-S SML BINOVC DSNT SSE AND BINOVC/CLR SKY BND XTDNG DSNT W-NW-DSNT N VIRGA OVHD-E-S SUN DMLY VSB/ 8/578/ 56008 6000/ 10054 20049 DATA RECORDED FOR MONDAY OCTOBER 01 .... TEMPERATURES.... MAX : 55 MIN: 49 // ASOS MAX: 55 ASOS MIN: 49 NORMAL HIGH AND LOW: 66/48 MEAN 52 [ - 5] TOTAL DEP FOR MONTH TO DATE: - 5 degrees PRECIPITATION....ON 10/2 AS OF 8 A.M. 24 HRS ENDING 8 A.M. ..trace ASOS..............................0.00 IN. SEPT. TOTAL TO DATE: 2.72 IN. DEP. FROM NORMAL: - 1.10 IN. YEAR 2001 TO DATE: 40.08 {+ 4.70 INS. ] WIND DATA....FOR 10/1 PEAK GUST ASOS: 28 MPH N AT 11:02 A.M. PEAK GUST: 29 MPH N AT 11:34 A.M. ** PEAK GUST AERO: 29 MPH N AT 11:02 A.M. ** last of several occurrences DAILY OCT. 2001 DATA....AT BLUE HILL... max/min/mean/dep/precip/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 MORNING LOW TEMP. 50 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/+2/0/692/93/ 16 SSW 9/18 74/54/64/+3/0/667/90/ 18 ENE 9/19 68/57/63/+2/0/487/66/ 23 ENE 9/20 71/57/64/+3/0.01/000/00/ 32 SSE 9/21 68/62/65/+3/0.43/059/08/ 28 SSE 9/22 78/64/71/+11/1.16/416/57/ 32 S 9/23 76/60/68/+8/0/566/78/ 15 E 9/24 76/60/68/+9/0/159/22/ 22 SE 9/25 74/60/67/+8/0.35/000/00/ 55 S TSTM (Aero 58 MPH S) 9/26 69/48/59/0/0/596/83/ 25 W 9/27 67/47/57/-1/0/593/83/ 27 WSW 9/28 63/51/57/-1/0/157/22/ 31 NNE TSTM 9/29 58/50/54/-4/T/582/82/ 40 NE 9/30 54/48/51/-6/0.02/007/01/ 40 NE RECORDS FOR OCTOBER 02 HIGH 85 IN 1968 LOW 29 IN 1899 PRECIP 1.75 INS 1984 PEAK GUST 52e MPH S IN 1952/NNW IN 1984 RECORDS FOR OCTOBER 03 HIGH 82 IN 1922 LOW 28 IN 1899 PRECIP 1.76 INS 1979 PEAK GUST 62 MPH WNW IN 1964 RECORDS FOR OCTOBER 04 HIGH 83 IN 1898/1959 LOW 28 IN 1888 PRECIP 1.07 INS 1986 PEAK GUST 59 MPH SSW IN 1990 e = estimated Robert Skilling