BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA ALL TIMES EASTERN DAYLIGHT TIME MONDAY SEPTEMBER 19, 2005 TODAY'S DISCUSSION....2 P.M. SEPTEMBER TEMPERATURES CONTINUE WELL ON THE WARM SIDE OF NORMAL....NOW BY MORE THAN 4 DEGREES.... Another very mild day again today after the total departure for the first 18 days of the month reached +77 degrees through the 18th. The month is averaging 4.1 degrees warmer than the 30-year normal. Sunny skies have returned after three completely overcast skies reducing the monthly average of 90% for the first two weeks of the month to 71% through eighteen days. TODAY'S OBSERVATIONS.... 8 A.M. clear with 50 miles visibility; temp. 60; dewpoint 57; wind wnw at 09 mph; six hourly min. temp. 57 deg. BHO SA 1155 CLR 50 218/60/57/2908/017/ FEW AC N-NE-SE FEW ACC NE-E PTCHS THN GF DSSPTNG PST HR BLO SMT/INVSN/VSBY W-NW 60/ 8/080 51014 10060 20057 11 A.M. clear with 50 miles visibility and light haze; temp. 71; dewpoint 58; wind wsw at 04 mph; BHO SA 1455 CLR 50 226/71/58/2403/020/ THN K ALG HRZN NE-E/ 50008 2 P.M. clear with cumulus all quads; visibility 50 miles; temp. 78; dewpoint 57; wind sw at 04 mph; six hourly max. temp. 79 deg. BHO SA 1755 CLR 55 221/78/57/2303/018/ CU/FEW MDT CU ALQDS LGT HZ WND L/V/ 8/200 58005 10079 20060 WEATHER SUMMARY FOR SUNDAY SEPT 18: TEMPERATURE (DEGREES F) MAX......74 NORMAL.....70 HAZEN 74.0 AT 4:27 P.M. MIN......60 NORMAL.....53 HAZEN 60.0 AT 11:48 P.M. * MEAN.....67 NORMAL.....61 * eastern standard time.... DEPARTURE FROM 30-YEAR NORMAL.....+ 6 TOTAL DEPARTURE FOR THE MONTH.....+ 77 [4.1 deg. daily ] PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY......... 17 W AT 5:58 P.M. AEROVANE.............................. 20 NW AT 10:13 P.M. ** ASOS...................................... N/A DAVIS.......................................19 W AT 6:20 P.M. ** last of several occurrences.... FASTEST MILE FOR YESTERDAY.................. 13 W AT 5:55 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE............ N/A MAXIMUM 1-MINUTE DAVIS AVERAGE............ 14 W AT 5:52 P.M. AVERAGE WIND SPEED AND DIRECTION... .... 6.8 W ASOS............................................................. 7.2 WNW [290 deg] DAVIS............................................................. 6.8 WNW [300 deg] N/A = not available due no ASOS connection.... PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.00 DEPARTURE.....-0.14 ASOS.............. 0.00 TOTAL PRECIPITATION FOR SEPT...............3.03 DEPARTURE....+0.58 ASOS..............3.04 TOTAL PRECIPITATION FOR THE YEAR..........42.12 DEPARTURE....+6.35 ASOS..............N/A N/A = not available due no ASOS connection... PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 2005......CALENDAR DAY DATA DATA REPORTED: DATE MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 9/1 81/73/73/+6/0.41/773/98 28 WNW 9/2 83/62/73/+7/0/786/100 23 WSW 9/3 78/61/70/+4/0/782/100 25 WNW 9/4 78/60/69/+3/0/725/93 21 NE 9/5 70/57/64/-1/0/770/99 24 NNE 9/6 74/56/65/0/775/100 16 S 9/7 81/57/69/+4/0/742/96 21 S 9/8 83/59/71/+6/0/670/87 20 SSW 9/9 70/60/65/+1/0/276/36 21 NW 9/10 71/53/62/-2/0/756/99 21 NNW 9/11 73/49/61/-3/0/709/93 28 SSW 9/12 88/60/74/+11/0/691/91 29 SW 9/13 81/66/74/+11/0/688/91 23 SSE 9/14 85/65/75/+12/0/550/73 27 S 9/15 72/66/69/+7/2.43/000/00 23 WNW 9/16 68/62/65/+3/N/A/000/00 24 NNE 9/17 67/61/64/+2/N/A/000/00 22 ENE 9/18 74/60/67/+6/0/186/25 17 W 9/19 morning low temp. 57; normal now 53 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR SEPTEMBER 19 HIGH 87F IN 1906,1983 LOW 37F IN 1929 PRECIP 3.69 INCHES IN 1936 PEAK GUST 48 MPH NE IN 1972 RECORDS FOR SEPTEMBER 20 HIGH 90 IN 1983 LOW 34 IN 1979 PRE 4.57 INS IN 1899 WIND 44 MPH NE IN 1972 TODAY'S REPORT BY: Robert Skilling