BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, JULY 6, 2005 ALL TIMES ARE IN EASTERN DAYLIGHT TIME [unless otherwise noted] Rain has been occasionally moderate to heavy today and our total through 2 p.m. was 0.69 inch for six hours and total for the day is 0.70 according to the standard gage. This is our biggest rainstorm since May. TODAY'S OBSERVATIONS..... 8 A.M. low overcast stratus visibility 1 mile light rain showers, light drizzle and fog; temp. and dewpoint 69; six hourly precip. 0.01 inch BHO SA 1155 E3 OVC 1RW-L-F 134/69/69/2305/993/ CDNS VRBL STRA DRFTG OVR SMT WND LGT GRDLY VEERING/ 8/6// 53011 MANUAL 6001/ ASOS 60001 MANUAL 70001 ASOS 70001 10069 20066 11 A.M. obscurement with fog and visibility 1/8 mile in light rain and dense fog; temp./dewpoint 70; wind sse at 04 mph; 3-hourly rainfall 0.15 inch.... BHO SA 1455 W3 X 1/8R-F 139/70/70/1603/994/ 8//// 53005 ASOS 60013 MANUAL 6015/ 2 P.M. obscurement with fog visibility 1/16 in light rain and fog; temp./dewpoint 65; wind NNE 15 mph; six hourly max. temp. 71; six hourly precip. 0.69 inch BHO SA 1755 W3 X 1/16R-F 144/65/65/0213/996/ WND 35V05/ 8//// 51005 ASOS 60067 MANUAL 6069/ 10071 20065 WEATHER SUMMARY FOR TUESDAY, JULY 5: TEMPERATURE (DEGREES F) MAX.....86 NORMAL.....80 ASOS.....86 AT 3:32 P.M. MIN.....60 NORMAL.....61 ASOS.....60 AT 2:52 A.M. MEAN....73 NORMAL.....71 DEPARTURE FROM 30-YEAR NORMAL......+2 TOTAL DEPARTURE FOR THE MONTH......-1 (-0.4 DEGREE/DAY) FINAL HEATING DEGREE DAY UNITS FOR 2004-2005 SEASON: TOTAL HEATING UNITS FOR YESTERDAY........0 DEP.....-1 TOTAL HEATING UNITS FOR THE JUNE........63 DEP....-11 TOTAL HEATING UNITS FOR THE SEASON....6409 DEP....+38 TOTAL HEATING UNITS FOR LAST SEASON...6291 DIF...+118 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........27 S AT 6:26 P.M. AEROVANE.........29 S AT 6:26 P.M. ASOS.............26 S AT 6:26 P.M. DAVIS............30 S AT 6:25 P.M. FASTEST MILE FOR YESTERDAY..........22 S AT 3:22 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......22 S AT 3:22 P.M. MAXIMUM 1-MINUTE DAVIS AVERAGE......25 S AT 3:22 P.M. AVERAGE WIND SPEED AND DIRECTION...12.8 SSW ASOS............13.7 S [190 deg.] DAVIS...........13.4 S [190 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.01 DEPARTURE....-0.12 ASOS..............0.01 TOTAL PRECIPITATION FOR THE MONTH..........0.03 DEPARTURE....-0.59 ASOS..............0.04 TOTAL PRECIPITATION FOR THE YEAR..........30.84 DEPARTURE....+4.67 ASOS.............29.72* *EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28. PRELIMINARY CLIMATE SUMMARY FOR JULY 2005......CALENDAR DAY DATA DATA REPORTED: DATE MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 7/1 75/60/68/-2/0.02/.../.. 20 MPH SSW 7/2 80/62/71/+1/0/.../.. .... 7/3 77/59/68/-2/0/.../.. .... 7/4 81/58/70/0/0/.../.. .... 7/5 86/60/73/+2/0/.../.. 27 MPH S 7/6 morning low 66 deg; rainfall thru 8 a.m. 0.01 inch DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JULY 6 HIGH 98F IN 1911 LOW 47F IN 1979 PRECIP 1.04 INCHES IN 1931 PEAK GUST 56e MPH NNW IN 1942, 56 MPH WNW IN 1999 RECORDS FOR JULY 7 HIGH 97F IN 1908,1993 LOW 48F IN 1902 PRECIP 2.11 INCHES IN 1966 PEAK GUST 55 MPH NW IN 1989 RECORDS FOR JULY 8 HIGH 95F IN 1981 LOW 50F IN 1919 PRECIP 1.74 INCHES IN 1916 PEAK GUST 46e SSW IN 1941 RECORDS FOR JULY 9 HIGH 98F IN 1912 LOW 47F IN 1909 PRECIP 3.74 INS IN 1921 WIND 46 MPH NW IN 1992 RECORDS FOR JULY 10 HIGH 99F IN 1911 LOW 46F IN 1890 PRECIP 1.68 INS IN 1933 WIND 75 MPH W IN 1985 TODAY'S REPORT BY: Robert Skilling