BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SATURDAY, JUNE 11, 2005 ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted] MOSTLY CLOUDY, WARM AND HUMID WEATHER CONTINUES... JUNE NOW AVERAGE 5 DEGREES WARMER THAN NORMAL... The dew point has climbed into the low 70's as of early afternoon today on a light SW wind with the temperature in the mid-80s. The oppressive conditions are expected to continue and might set off scattered thundershowers during the next few days. The first 10 days of June are averaging about 5 degrees warmer than normal per day in a complete reversal of the temperature in May. Today's observations: 7 A.M. EST Weather: Thin broken cirrus and scattered stratocumulus Temperature: 70F, Dew point: 66F, Wind: SW 7 mph Sea-level pressure: 30.06 inches, rising Visibility: 9 miles, hazy BHO SA 1155 55 SCT 140 SCT 200 -BKN 9 180/70/66/2109/006/ HAZY/ 8/531 52010 10070 20066 10 A.M. EST Weather: Broken cumulus and overcast with cirrus Temperature: 80F, Dew point: 71F, Wind: WSW 7 mph, variable Sea-level pressure: 30.04 inches, falling Visibility: 8 miles, HAZY BHO SA 1455 E40 BKN 200 OVC 8 173/80/71/2406/004/ BINOVC OVHD THN SPTS IOVC HAZY SSW WND LGT AND VRB/ 8/501 56007 1 P.M. EST Weather: Mostly cloudy with cumulus and cirrus Temperature: 86F, Dew point: 72F, Wind: SW 8 mph, variable Sea-level pressure: 30.02 inches, falling Visibility: 8 miles, hazy BHO SA 1755 E45 SCT 250 OVC 8 166/86/72/2107/002/ THN SPTS IOVC ALQDS FEW MDT CU FEW LWR CU HAZY WND LGT AND VRB/ 8/101 58007 WEATHER SUMMARY FOR FRIDAY, JUNE 10 TEMPERATURE (DEGREES F) MAX.....81 NORMAL.....74 ASOS.....81 AT N/A MIN.....66 NORMAL.....54 ASOS.....N/A MEAN....74 NORMAL.....64 DEPARTURE FROM 30-YEAR NORMAL.....+10 TOTAL DEPARTURE FOR THE MONTH.....+53 (+5.1 DEGREES/DAY) HEATING DEGREE DAY UNITS... TOTAL HEATING UNITS FOR YESTERDAY........0 DEP.....-3 TOTAL HEATING UNITS FOR THE MONTH.......16 DEP....-23 TOTAL HEATING UNITS FOR THE SEASON....6362 DEP....+26 TOTAL HEATING UNITS FOR LAST SEASON...6268 DIF....+94 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........36 SSW AT 10:41 A.M. AEROVANE.........38 SSW AT 10:41 A.M. ASOS.............33 S AT 10:41 A.M. DAVIS............37 S AT 10:41 A.M. FASTEST MILE FOR YESTERDAY..........27 SSW AT 10:48 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......26 SSW AT 10:48 A.M. AVERAGE WIND SPEED AND DIRECTION...16.0 SSW ASOS............16.1 PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE....-0.13 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.52 DEPARTURE....-0.78 ASOS..............0.52 TOTAL PRECIPITATION FOR THE YEAR..........30.26 DEPARTURE....+7.37 ASOS.............29.14* *EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28. PRELIMINARY CLIMATE SUMMARY FOR JUNE 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 6/1 64/46/55/-7/0/570/63 22 MPH S 6/2 75/48/62/0/0/689/76 22 MPH S 6/3 77/49/63/+1/0/508/56 29 MPH S 6/4 83/58/71/+8/0/781/86 15 MPH SW 6/5 88/55/72/+9/0/782/86 27 MPH N 6/6 76/52/64/+1/0/382/42 30 MPH SSE 6/7 87/61/74/+10/0/802/88 33 MPH SSW 6/8 89/65/77/+13/0.34/784/86 30 MPH N TSTM 6/9 79/65/72/+8/0.18/.../.. 28 MPH WSW TSTM 6/10 81/66/74/+10/0/.../.. 36 MPH SSW 38 MPH 6/11 ..overnight low 66 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JUNE 11 HIGH 92F IN 1973,1984,1997 LOW 40F IN 1972 PRECIP 2.66 INS 1922 PEAK GUST 43e MPH S IN 1945 RECORDS FOR JUNE 12 HIGH 92F IN 1973 LOW 40F IN 1906 PRECIP 1.79 INS 1955 PEAK GUST 58 MPH NW IN 1991 TODAY'S REPORT BY: Mike Iacono