BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY CLIMATE SUMMARY THURSDAY, AUGUST 05, 2004 ALL TIMES ARE IN EASTERN DAYLIGHT TIME [unless otherwise noted] TODAY'S DISCUSSION.... Rain that began late last evening amounted to 0.03 inch by midnight eastern daylight time and to 0.55 by 8 a.m. this morning. The rainfall was generally light but with occassional periods of moderate rain. The comparison between the two rain gages shows 0.55 inch for the 8 inch non-recording gage and 0.53 inch for the ASOS weighing gage. The light rain and some light drizzle ended between 8:30 and 9:15 a.m. Temperatures are rising slowly from a morning low of 57 degrees which occurred shortly before 9 a.m. and have reached the lower to middle 60's by early this afternoon. Breaks in the clouds can be seen to the west and northwest. TODAY'S MANUAL OBSERVATIONS.... 8/5/2004 WED 8 a.m. obscurement with fog at 3 hundred feet visibility 1/8 mile but 3/4 mile to south and visibility lowered rapidly past hour from much higher values; temp and dewpoint 59; wind nne at 08 mph; six hourly minimum temp. 58; 24 hourly precipitation 0.55 standard gage and 0.53 inch for ASOS gage. BHO SA 1155 W3 X 1/8R-L-F 094/59/59/0307/981/ CDNS VRBL HIER PST HR LWRD RPDLY VSBY S 3/4 WND GRDLY VEERING/ 8//// 51011 ASOS 60044 MANUAL 6045/ ASOS 70053 MANUAL 70055 10063 20058 11 a.m. overcast at 6000 feet with few lower stratus and stratocumulus clouds and small break in overcast distant northwest and visibility 20 miles but only 10 miles to the southeast and south in thin fog and lower stratus clouds; temp. 60; dewpoint 58; wind nne at 06 mph; three hourly precipitation a trace... BHO SA 1455 E60 OVC 20 092/60/58/0205/980/ SML BINOVC DSNT NW FEW STFRA/SC FEW SC/MDT CUFRM TOPS VSBY SE-S 10 TF AND LWR STRA/ 8/72/ 55002 MANUAL 6000/ 2 p.m. broken clouds and slow clearing underway with visibility 50 miles but lower to the southeast and south; temp. 67; dewpoint 58; wind ne at 07 mph; six hourly minimum temp. 57; six hourly precip. trace BHO SA 1755 18 SCT E80 BKN 100 BKN 200 BKN 50 091/67/58/0506/980/ MDT CU ALQDS HIER CLDS VSB W-N NW FEW ACC AND DENSE CI VSB NW/ 8/282 58001 MANUAL 6000/ 10068 20057 WEATHER SUMMARY FOR WEDNESDAY AUGUST 04: TEMPERATURE (DEGREES F) MAX.....79 NORMAL.....81 HAZEN SHELTER: 78.6 @ 3:15 p.m. MIN.....65 NORMAL.....63 HAZEN SHELTER: 65.0 @ 11:59 p.m. ** MEAN....72 NORMAL.....72 ** eastern standard time DEPARTURE FROM 30-YEAR NORMAL......... 0 TOTAL DEPARTURE FOR THE MONTH.........+ 14 The month of August is running 3.3 degrees WARMER THAN NORMAL PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY.........24 ENE AT 12:17 p.m. AEROVANE..........27 ENE AT 12:17 p.m. ASOS..............24 ENE AT 12:17 p.m. DAVIS.............22 ENE AT 12:02 p.m. ASOS 2-MINUTE.....18 ENE AT 12:38 p.m. FASTEST MILE......17 ENE AT 12:12 p.m. OUR AVERAGE....... 7.4 MPH E ASOS AVERAGE...... 7.7 MPH E [080 deg.] DAVIS AVERAGE..... 7.4 MPH NE [050 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.55 DEPARTURE....+0.42 ASOS..............0.53 TOTAL PRECIPITATION FOR THE MONTH..........0.58 DEPARTURE....+0.09 ASOS..............0.55 TOTAL PRECIPITATION FOR THE YEAR..........28.31 DEPARTURE....-1.59 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/.../.. 32 MPH SSW AERO 35 MPH SSW 8/2 84/69/77/+5/0/.../.. 21 MPH NE 8/3 86/69/78/+6/0/.../.. 25 MPH SW AERO 29 MPH SW 8/4 79/65/72/0/0.06/.../.. 24 MPH ENE 8/5 morning low temp; 57 deg; precip. 0.49 in. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR AUGUST 05 HIGH 98F IN 1955 LOW 48F IN 1929,1972 PRECIP 3.03 INCHES IN 1893 PEAK GUST 60e MPH SW 1977 RECORDS FOR AUGUST 06 HIGH 95F IN 1931 LOW 48F IN 1934 PRECIP 1.47 INCHES IN 1995 PEAK GUST 44e MPH SSW IN 1940 TODAY'S REPORT BY: Robert Skilling