BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, AUGUST 26, 2005 ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted] Today's observations: 7 A.M. EST Weather: Thin broken cirrus Temperature: 65F, Dew point: 53F, Wind: WNW at 9 kt Sea-level pressure: 30.15 inches Hg, rising Visibility: 50 miles BHO SA 1155 250 -BKN 50 209/65/53/3009/015/ THN K LYR ALNG HRZN N-NE/ 8/001 53002 10065 20060 10 A.M. EST Weather: Thin overcast cirrus Temperature: 75F, Dew point: 55F, Wind: W at 8 kt Visibility: 45 miles BHO SA 1455 220 -OVC 45 205/75/55/2808/014/ THN K LYR ALNG HRZN N-NE/ 8/001 56004 1 P.M. EST Weather: Broken cirrus Temperature: 82, Dew point: 51, Wind: W at 10 kt Visibility: 45 miles BHO SA 1755 220 BKN 45 190/82/51/2810/009/ WND 19V35/ 8/001 58015 10082 20065 WEATHER SUMMARY FOR THURSDAY, AUGUST 25 TEMPERATURE (DEGREES F) MAX.....75 NORMAL.....77 MIN.....55 NORMAL.....59 MEAN....66 NORMAL.....68 DEPARTURE FROM 30-YEAR NORMAL......-2 TOTAL DEPARTURE FOR THE MONTH.....+92 (+3.7 DEGREE/DAY) PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY.........17 WNW AT 12:52 A.M. AEROVANE..........19 WNW AT 1:10 A.M. FASTEST MILE FOR YESTERDAY...........13 WMW AT 12:53 A.M. AVERAGE WIND SPEED AND DIRECTION....7.3 NW PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE....-0.14 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........4.68 DEPARTURE....+1.46 ASOS..............4.63 TOTAL PRECIPITATION FOR THE YEAR..........38.21 DEPARTURE....+5.79 ASOS.............37.03* *EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28. PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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 8/1 85/62/74/+2/0.72/416/48 32 WNW Aero 36 MPH WNW TSTM 8/2 87/65/76/+4/0.03/821/95 21 W 8/3 87/67/77/+5/0/578/67 20 WNW 8/4 85/66/76/+4/0/800/93 25 SE 8/5 95/67/81/+9/0.49/515/60 51 WSW TSTM Aero 50 MPH WSW 8/6 82/65/74/+2/0/564/66 21 NNE 8/7 85/63/74/+3/0/649/76 22 S 8/8 92/66/79/+8/0/613/72 23 S 8/9 87/70/79/+8/0.02/221/26 28 S 8/10 88/69/79/+8/0/670/79 24 SSE 8/11 90/69/80/+9/T/567/67 23 NE 8/12 89/68/79/+8/T/514/61 28 S 8/13 94/75/85/+14/0.34/622/74 27 SW TSTM 8/14 90/64/77/+7/2.79/334/40 32 E TSTM Aero 32 MPH E 8/15 64/60/62/-8/0.29/000/00 28 N 8/16 74/59/67/-3/0/.../.. 20 SSE 8/17 84/63/74/+4/0/.../.. 22 NNW 8/18 77/59/68/-2/0/.../.. 17 SW 8/19 77/60/69/-1/0/.../.. 20 E 8/20 84/62/73/+4/0/.../.. 17 E 8/21 86/68/77/+8/T/.../.. 27 S 8/22 84/63/74/+5/0/.../.. 24 WNW 8/23 79/58/68/-1/0/.../.. 22 W 8/24 75/57/66/-3/0.01/.../.. 17 WNW 8/25 77/55/66/-2/0/.../.. 17 WNW DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR AUGUST 26 HIGH 96F IN 1900,1948 LOW 46F IN 1885 PRECIP 5.85 INCHES IN 1924 PEAK GUST 55e MPH NNW 1947 RECORDS FOR AUGUST 27 HIGH 99F IN 1948 LOW 44F IN 1885 PRECIP 2.77 INCHES IN 1946 PEAK GUST 48 MPH NW 1983 TODAY'S REPORT BY: Andrew Hoell