BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, AUGUST 18, 2004 ALL TIMES ARE IN EASTERN DAYLIGHT TIME MORNING DISCUSSION... Early morning fog dissipated leaving us with just some high, mostly thin cirrus clouds and visbility improving from 9 miles at 8 a.m. to 25 to 30 miles by later this morning. Temperatures which have been so cool over the past three days have warmed to the lower 70's by mid-morning already equaling the high of 72 for Tuesday. The month of August is currently running 1.8 degrees COOLER THAN NORMAL. The cool summer of 2004 goes on with June averaging 1.0 below normal and July 2.1 below. TODAY'S OBSERVATIONS: 8 a.m. high thin scattered clouds visibility 9 miles with thin fog; temp. 63; dewpoint 61; wind sw at 12 mph; six hourly min temp. 58 deg.. BHO SA 1155 250 -SCT 300 -SCT 9 183/63/61/2210/007/ STRA LYR ALG HRZN SSE-SW FEW DENSE CI NW THN F ALQDS F DSSPTNG PST HR TOP OF INVSN ESTMTD 8 HND OVR CTY N/ 8/602 51006 10063 20058 11 a.m. high thin scattered cirrus clouds and visibility 25 miles in light haze; temp. 74; dewpoint 62; ssw at 07 mph.... BHO SA 1455 300 -SCT 25 185/74/62/2106/008/ FEW LWR DENSE CI WNW-N HAZY/ 8/002 53002 ALL TIMES EASTERN DAYLIGHT TIME.. WEATHER SUMMARY FOR TUESDAY, AUGUST 17: TEMPERATURE (DEGREES F) MAX.....72 NORMAL.....79 HAZEN....72.3 at 3:22 p.m. MIN.....57 NORMAL.....61 HAZEN....56.8 at 5:46 a.m. MEAN....65 NORMAL.....70 DEPARTURE FROM 30-YEAR NORMAL.....- 5 TOTAL DEPARTURE FOR THE MONTH.....-27 (-1.8 DEGREES/DAY) PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........18 NNE AT 5:26 A.M. AEROVANE.........20 SSW AT 11:04 P.M. ** ASOS.............16 SSW AT 11:04 P.M. ** DAVIS............19 SSW AT 8:59 P.M. FASTEST MILE FOR YESTERDAY..........13 SSW AT 11:04 P.M. ** HIGHEST ASOS 2 MIN AV...14 SSW AT 11:22 P.M. ** HIGHEST DAVIS 1 MIN AV...17 S AT 8:59 P.M. AVERAGE WIND SPEED AND DIRECTION.. 5.6 SSW ASOS........... 6.4 S / 190 deg. DAVIS.......... 5.5 SSW / 210 deg. ** eastern standard time... PRECIPITATION (INCHES) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.00 DEPARTURE....-0.13 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........3.77 DEPARTURE....+1.59 ASOS..............3.68 TOTAL PRECIPITATION FOR THE YEAR..........31.50 DEPARTURE....-0.09 ASOS.............29.86 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/+2/0/719/85 31 MPH S 8/11 81/66/74/+3/0/.../.. 35 MPH S AERO 36 MPH S 8/12 82/67/75/+4/0.62/.../.. 33 MPH SSE 8/13 77/70/74/+3/0.78/.../.. 30 MPH SSW 8/14 83/65/74/+4/0.02/.../.. 21 MPH W 8/15 68/60/64/-6/1.55/000/00 ** 28 MPH ENE 8/16 62/58/60/-10/0.18/000/00 18 MPH ENE 8/17 72/57/65/-5/0.04/.../.. 18 MPH NNE 8/18 morning low temp. 58 deg. * A NEW RECORD LOW MINIMUM TEMP. FOR 8/7 OF 51 DEG; the previous record was 52 degrees in 1950,1964. ** this is a corrected daily rainfall for 8/15, 1.55 ins. a new record for the date. The special report yesterday had reported 1.57 inches which was not correct. OUR DAILY EXTREMES RECORDS FOR AUGUST 18 HIGH 93F IN 2002 LOW 47F IN 1824 PRECIP 5.75 INCHES IN 1955 [DIANE] PEAK GUST 39 MPH SW 1991 RECORDS FOR AUGUST 19 HIGH 90F IN 1906, 1966, 2002 LOW 48F IN 1958 PRECIP 7.02 INCHES IN 1955 [DIANE - RECORD FOR MONTH] PEAK GUST 78 MPH ENE 1991 Today's report: Robert Skilling