BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA ALL TIMES EASTERN DAYLIGHT TIME THURSDAY, JULY 14, 2005 Today's discussion at 2 p.m. Increasingly warm and humid conditions are occurring today with visibility lowering to 6 miles in haze early this afternoon. The dewpoint temperature has risen to near 70 degrees and a high temperature of 83 degrees was recorded prior to 2 p.m. TODAY'S OBSERVATIONS...... 8 A.M. overcast with 7 miles visibility, light fog; temp. 67; dewpoint 66; wind south at 07 mph; six hourly min. temp. 64 deg. BHO SA 1155 E6 BKN 30 OVC 7 173/67/66/1906/004/ FEW BRGHT SPTS IOVC THN F ALQDS VSBY N 9 NE 10 SE-S 5/ 8/6// 51004 10067 20064 11 A.M. broken low clouds with 8 miles visibility; hazy; temp. 77; dewpoint 68; wind south at 10 mph... BHO SA 1455 E16 BKN 8 163/77/68/1909/001/ HAZY VSBY N 9/ 8/500 58010 2 P.M. broken clouds with 5 miles visibility in haze; temp. 80; dewpoint 69; wind sw at 17 gusting 24 mph; six hourly max. temp. 83 deg. BHO SA 1755 E27 BKN 6H 161/80/69/2215G21/000/ MDT CU WND 18V25/ 8/200 56002 10083 20067 WEATHER SUMMARY FOR WEDNESDAY, JULY 13: TEMPERATURE (DEGREES F) MAX.....77 NORMAL.....81 MAX. 77.0 @ 3:24 p.m. MIN.....59 NORMAL.....62 MIN. 58.8 @ 5:11 a.m. MEAN....68 NORMAL.....72 DEPARTURE FROM 30-YEAR NORMAL.....- 4 TOTAL DEPARTURE FOR THE MONTH.....-41 (-3.4 DEGREE/DAY ) TOTAL HEATING UNITS FOR YESTERDAY.......0 DEP..... 0 TOTAL HEATING UNITS FOR JULY..................16 DEP......+7 FINAL HEATING DEGREE DAY UNITS FOR 2004-2005 SEASON: TOTAL HEATING UNITS FOR THE JUNE........63 DEP....-11 TOTAL HEATING UNITS FOR THE SEASON 2004-2005....6409 DEP....+38 TOTAL HEATING UNITS FOR LAST SEASON..................6291 DIF.....+118 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........27 S AT 2:50 P.M. AEROVANE...........................27 S AT 2:50 P.M. ASOS.................................... 24 S AT 2:50 P.M. DAVIS....................................25 S AT 12:57 P.M. FASTEST MILE FOR YESTERDAY........... 17 S AT 7:25 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.....18 S AT 7:25 P.M. MAXIMUM 1-MINUTE DAVIS AVERAGE.....20 S AT 12:57 P.M. AVERAGE WIND SPEED AND DIRECTION... 9.7 S ASOS........................................................ 10.7 S [ 170 deg] DAVIS....................................................... 10.4 S [ 180 deg ] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.00 DEPARTURE....-0.12 ASOS.............. 0.00 TOTAL PRECIPITATION FOR THE MONTH..........2.56 DEPARTURE....+0.98 ASOS..............2.57 TOTAL PRECIPITATION FOR THE YEAR..........33.37 DEPARTURE....+6.27 ASOS.............32.25* *EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28. PRELIMINARY CLIMATE SUMMARY FOR JULY 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 7/1 75/60/68/-2/0.02/110/12 20 SSW 7/2 80/62/71/+1/0/776/85 24 W 7/3 77/59/68/-2/0/885/97 18 ENE 7/4 81/58/70/0/0/701/77 22 SSE 7/5 86/60/73/+2/0/783/86 27 S 7/6 71/57/64/-7/*1.43/000/00 35 NNE Aero 38 MPH NNE 7/7 62*/56/59/-12/T/000/00 30 NE 7/8 59*/53/56/-15/N/A/000/00 39 NNE 7/9 76/54/65/-6/N/A/335/37 35 W 7/10 86/62/74/+3/0/787/77 32 WNW 7/11 88/66/77/+5/0/822/91 30 NW 7/12 76/60/68/-4/0/849/94 21 NE 7/13 77/59/68/-4/0/649/72 27 S 7/14 morning low temp. 64 deg.... NEW RECORDS FOR JULY TO DATE.... * 7/6 - NEW RECORD DAILY PRECIP. 1.43 ins.; previous record 1.04 ins. * 7/7 - max. temp. of 62 equaled record low maximum for date set in 1914 * 7/8 - max. temp. of 59 broke record for date; previous 62 in 1919 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JULY 14 HIGH 98F IN 1952 LOW 51F IN 1895, 1937 PRECIP 1.97 INS IN 1960 WIND 110e MPH NW IN 1942 [RECORD FOR MONTH] TODAY'S REPORT BY: Robert Skilling/ Lee Anne Filosa