BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, AUGUST 28, 2005 ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted] Today's observations: 7 A.M. EST Weather: Scattered cirrus with a few altocumulus Temperature: 70F, Dew point: 66F, Wind: SE at 15 kt Sea-level pressure: 30.07 inches Hg, rising Visibility: 30 miles BHO SA 1155 220 SCT 30 184/70/66/1415/007/ CU TOPS ABV K LYR DSNT W FEW AC E AND W-NW THN K LYR ALNG HRZN S-NW/ 8/571 53008 10070 20063 10 A.M. EST Weather: Scattered stratocumulus, thin overcast cirrus Temperature: 80F, Dew point: 63F, Wind: SE at 15 kt Sea-level pressure: 30.07 inches Hg, steady Visibility: 50 miles BHO SA 1455 30 SCT 220 -OVC 50 185/80/63/1515/007/ FEW AC ALQDS/ 8/571 50001 1 P.M. EST Weather: Broken stratocumulus, broken altocumulus, overcast cirrus Temperature: 81F, Dew point: 61F, Wind: SE 15 kt Sea-level pressure: 30.05 inches Hg, falling Visibility: 45 miles BHO SA 1755 40 BKN 150 BKN 220 OVC 45 176/82/61/1414/005/ FEW BINOVC ALQDS/ 8/571 56009 10083 20070 WEATHER SUMMARY FOR SATURDAY, AUGUST 27 TEMPERATURE (DEGREES F) MAX.....82 NORMAL.....77 ASOS.....82 AT N/A MIN.....63 NORMAL.....59 ASOS.....63 AT N/A MEAN....73 NORMAL.....68 DEPARTURE FROM 30-YEAR NORMAL......+5 TOTAL DEPARTURE FOR THE MONTH....+101 (+3.7 DEGREE/DAY) PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY.........28 SSE AT 5:37 P.M. AEROVANE..........28 SSE AT 3:51 P.M. ASOS..............N/A FASTEST MILE FOR YESTERDAY...........22 SSE AT 5:37 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE........N/A AVERAGE WIND SPEED AND DIRECTION...11.2 SW ASOS..............N/A 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..........4.69 DEPARTURE....+1.18 ASOS..............4.63 TOTAL PRECIPITATION FOR THE YEAR..........38.22 DEPARTURE....+5.45 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/-3/0/524/63 20 SSE 8/17 84/63/74/+4/0/803/97 22 NNW 8/18 77/59/68/-2/0/602/73 17 SW 8/19 77/60/69/-1/0/436/53 20 E 8/20 84/62/73/+4/0/582/71 17 E 8/21 86/68/77/+8/T/221/27 27 S 8/22 84/63/74/+5/0/717/88 24 WNW 8/23 79/58/68/-1/0/675/83 22 W 8/24 75/57/66/-3/0.01/389/48 17 WNW 8/25 77/55/66/-2/0/.../.. 17 WNW 8/26 83/60/72/+4/0/.../.. 18 SW 8/27 82/63/73/+5/0/.../.. 28 SSE DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR AUGUST 28 HIGH 95F IN 1948 LOW 43F IN 1885 PRECIP 1.80 INCHES IN 1922 PEAK GUST 87 MPH SSE 1971 RECORDS FOR AUGUST 29 HIGH 95F IN 1953 LOW 41F IN 1982 PRECIP 2.88 INCHES IN 1962 PEAK GUST 70e MPH S 1949 TODAY'S REPORT BY: Andrew Hoell