BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY CLIMATE SUMMARY WEDNESDAY, AUGUST 11, 2004 ALL TIMES ARE IN EASTERN DAYLIGHT TIME [unless otherwise noted] TODAY'S DISCUSSION.... HAZE AND HUMIDITY TODAY... STILL NO RAIN... A SUNNY MONTH SO FAR... South winds bring much more humid air in today with dewpoints approaching 70 degrees early this afternoon. Also, lots of haze today with visibility only improving from 4 miles early this morning to 8 miles by early afternoon as the haze, at least here, thinned enough to called it "hazy". We're still awaiting some showers; the month is 0.7 inch drier than normal. This has been a sunnier than normal month to date with 65% of the possible bright sunshine. Normal for August is 58%. TODAY'S MANUAL OBSERVATIONS.... 8/11/2004 WED 8 a.m. low overcast with 4 miles visibility in thin fog and haze; temp. 70; dewpoint 67; wind south at 18 gusting 27 mph; six hourly minimum temp. 66 BHO SA 1155 E6 OVC 4F 141/70/67/1816G23/995/ BRGHT SPTS IOVC SUN DMLY VSB/ 8/6// 58002 10070 20066 11 a.m. low overcast with 5 miles visibility in haze; temp. 72; dewpoint 68; wind south at 15 gusting 22 mph BHO SA 1455 E10 OVC 5H 151/72/68/1913G19/998/ CIG RGD FEW BRGHT SPTS IOVC/ 8/6// 51010 2 p.m. low broken stratocumulus clouds and visibility 8 miles and very hazy; temp. 79; dewpoint 69; wind south at 17 mph gusting to 23 mph; six hourly maximum temp. 79 BHO SA 1755 E20 BKN 8 144/79/69/1715G20/996/ HAZY WND 15V21/ 8/500 58007 10079 20070 WEATHER SUMMARY FOR TUESDAY AUGUST 10: TEMPERATURE (DEGREES F) MAX.....84 NORMAL.....80 HAZEN SHELTER: 84.0 @ 3:05 p.m. MIN.....62 NORMAL.....62 HAZEN SHELTER: 62.4 @ 4:57 a.m. MEAN....73 NORMAL.....71 DEPARTURE FROM 30-YEAR NORMAL.........+ 2 TOTAL DEPARTURE FOR THE MONTH.........- 20 The month of August is averaging 2.2 degrees COOLER THAN NORMAL PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY.........31 S AT 6:09 p.m. AEROVANE..........33 S AT 6:09 p.m. ASOS..............31 S AT 6:09 p.m. DAVIS.............35 S AT 6:09 p.m. ASOS 2-MINUTE.....26 S AT 6:09 p.m. PEAK 1-MIN DAVIS..31 S AT 6:09 p.m. OUR FASTEST MILE..25 S AT 6:09 p.m. OUR AVERAGE.......13.2 MPH SW ASOS AVERAGE......13.9 MPH SSW [200 deg.] DAVIS AVERAGE.....13.4 MPH SSW [210 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.00 DEPARTURE....-0.13 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.58 DEPARTURE....-0.69 ASOS..............0.55 TOTAL PRECIPITATION FOR THE YEAR..........28.31 DEPARTURE....-2.37 ASOS.............26.73 PRELIMINARY CLIMATE SUMMARY FOR AUGUST 2004......CALENDAR DAY DATA DATA REPORTED: 24 HOUR PERIODS ENDING MIDNIGHT EST DATE MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST ... SUNSHINE DATA NOT YET AVAILABLE 8/1 79/70/75/+3/0.03/165/19 32 MPH SSW AERO 35 MPH SSW 8/2 84/69/77/+5/0/544/63 21 MPH NE 8/3 86/69/78/+6/0/698/81 25 MPH SW AERO 29 MPH SW 8/4 79/65/72/0/0.06/679/79 24 MPH ENE 8/5 70/57/64/-8/0.49/231/27 21 MPH E 8/6 70/56/63/-9/0/419/49 24 MPH N 8/7 72/51/62/-9/0/495/58 * 17 MPH WNW 8/8 75/52/64/-7/0/774/91 31 MPH W 8/9 80/56/68/-3/0/848/100 25 MPH W 8/10 84/62/73/+1/0/719/85 31 MPH S 8/11 morning low temp. 66 deg... * a new record LOW MINIMUM TEMPERATURE has been set for August 7 at 51 degrees; the previous record was 52 degrees in 1950 and 1964 OUR DAILY EXTREMES.... Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR AUGUST 11 HIGH 97F IN 1944 LOW 49F IN 1972 PRECIP 3.13 INCHES IN 1990 PEAK GUST 44 MPH SW IN 1971 RECORDS FOR AUGUST 12 HIGH 99F IN 1944 LOW 48F IN 1930 PRECIP 1.89 INCHES IN 1979 PEAK GUST 50 MPH NE IN 1983 TODAY'S REPORT BY: Robert Skilling