BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, JUNE 23, 2008 ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED STORMS STAY TO OUR WEST THROUGH NORTH YESTERDAY AND ALSO THIS MORNING--JUST RUMBLES OF THUNDER HERE Sunday's weather here included strong and gusty south winds up to 30 to 40 MPH in gusts during the afternoon as showers and thunderstorms remained to our west and north. A brief light shower did leave just 0.01 of an inch of rain during the evening. Increasingly humid weather continued throughout the weekend and today with dewpoints rising into the low to mid-60's while temp- eratures reached the low 80's. Overnight lows warmed over the weekend from the upper 50's to the middle 60's early today. Today's observations: 8 A.M. EDT Weather: Overcast with stratus clouds, thin fog Temperature: 67F, Dew point: 64F, Wind: Calm Sea-level pressure: 30.02 inches Hg, steady Visibility: 9 miles, thin fog 6-hourly minimum temperature: 65F BHO SA 1155 E8 OVC 9 165/67/64/0000/002/ THN FG/ 8/6// 50005 MANUAL 70001 ASOS 70000 10067 20065 11 A.M. EDT Weather: Overcast stratus, stratocumulus and higher clouds, the sun occasionally dimly visible, thunder ended 10 past the hour and moved NE passing north of station Temperature: 71F, Dew point: 65F, Wind: E at 6 kts Sea-level pressure: 30.02 inches Hg, steady Visibility: 6 miles, haze BHO SA 1455 E12 BKN 25 OVC 6H 164/71/65/0906/002/ HIER CLD VSB SUN OCNL DMLY VSB TE10 MOVD NE PSD N OF STN/ 8/67/ 55001 2 P.M. EDT Weather: Scattered stratocumulus, cumulus, moderate cumulus, overcast altocumulus, sun dimly visible Temperature: 76F, Dew point: 66F, Wind: SSE at 8 kts, Wind: variability in direction SE to S Sea-level pressure: 29.96 inches Hg, falling Visibility: 8 miles, hazy 6-hourly maximum temperature: 76F 6-hourly precipitation: 0.00 BHO SA 1755 20 SCT 26 SCT E85 OVC 8 144/76/66/1508/996/ MDT CU FEW TCU VSB PST HR HIER CLDS VSB SUN DMLY VSB WND 13V19/ 8/27/ 58020 10076 20067 WEATHER SUMMARY FOR SUNDAY, JUNE 22 TEMPERATURE (DEGREES F) MAX.....80 NORMAL.....77 MIN.....61 NORMAL.....57 MEAN....71 NORMAL.....67 DEPARTURE FROM 30-YEAR NORMAL.............+4 TOTAL DEPARTURE FOR THE MONTH............+81 [+3.5 DEGREES/DAY] HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY.............0 DEPARTURE........-2 TOTAL HEATING UNITS FOR THE MONTH............41 DEPARTURE.......-25 TOTAL HEATING UNITS FOR THE SEASON.........5942 DEPARTURE......-421 TOTAL HEATING UNITS LAST SEASON TO DATE....5904 DIFFERENCE......+38 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............38 S AT 2:21 P.M. AEROVANE.............37 S AT 2:21 P.M. ASOS.................39 S AT 2:21 P.M. DAVIS................41 SSW AT 2:41 P.M. FASTEST MILE FOR YESTERDAY..............29 S AT 2:24 P.M. * MAXIMUM 2-MINUTE ASOS AVERAGE...........29 S AT 2:24 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..........29 SSW AT 2:41 P.M. AVERAGE............14.5 S ASOS...............14.2 DAVIS..............12.6 S [170 deg] * last of several occurrences.... PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.01 DEPARTURE......-0.12 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........2.11 DEPARTURE......-0.79 ASOS..............2.14 TOTAL PRECIPITATION FOR THE YEAR..........24.77 DEPARTURE......+0.14 ASOS.............27.18 # # Includes erroneous ASOS precipitation data on 2/13/08. PRELIMINARY CLIMATE SUMMARY FOR JUNE 2008 CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system gust when significant TSTM: Thunderstorm day (thunder heard some time during day) ....: Data not yet available, records not finalized 6/1 79/58/69/+7/0/833/92 32 W 6/2 76/53/65/+3/0/834/92 28 WNW 6/3 84/58/71/+9/0/707/78 28 S 6/4 66/54/60/-3/0.53/000/00 25 SSW Aero 23 MPH SSW 6/5 55/51/53/-10/0.11/000/00 31 N Aero 28 MPH N 6/6 59/51/55/-8/0.13/000/00 21 SSE 6/7 91/55/73/+9/0.07/575/63 45 SW Aero 46 MPH SW TSTM 6/8 91/72/82/+18/0/703/77 31 WSW 6/9 94/71/83/+19/0/794/87 29 W 6/10 98/72/85/+21/0/876/97 58 W Aero 58 MPH W 6/11 85/68/77/+12/0/804/88 28 W Aero 26 MPH W 6/12 78/60/69/+4/0/888/97 28 NW Aero 26 MPH NW 6/13 82/55/69/+4/0/888/97 21 NW 6/14 78/62/70/+5/0.08/687/75 21 NW TSTM 6/15 63/54/59/-7/0.42/000/00 20 E 6/16 63/56/60/-6/0.55/000/00 25 SSE TSTM 6/17 77/57/67/+1/0/587/64 25 S TSTM 6/18 71/52/62/-4/0.01/.../.. 27 S 6/19 75/56/66/-1/0/.../.. 23 S Aero 20 MPH S 6/20 78/57/68/+1/0.20/.../.. 27 W TSTM 6/21 81/59/70/+3/0.00/.../.. 25 SSE 6/22 80/61/71/+4/0.01/.../.. 38 S Aero 37 MPH S NEW DAILY RECORDS FOR JUNE TO DATE.. 6/8 - MINIMUM TEMPERATURE OF 72F EQUALED RECORD HIGH MINIMUM SET IN 1999. 6/9 - MAXIMUM TEMPERATURE OF 94F IS NEW RECORD FOR THE DATE, PREVIOUS RECORD 92F IN 1984 6/10 - MAXIMUM TEMPERATURE OF 98F IS NEW RECORD FOR THE DATE, PREVIOUS RECORD 92F IN 1967,1974,1984 MINIMUM TEMPERATURE OF 72F IS NEW RECORD HIGH MINIMUM FOR DATE, PREVIOUS RECORD WAS 71F IN 1984 6/11 - MINIMUM TEMPERATURE OF 68F EQUALED RECORD HIGH MINIMUM SET IN 1973, 1984. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JUNE 23 HIGH 93F IN 1888 LOW 45F IN 1885 PRECIP 0.70 INS IN 2006 PEAK GUST 63 MPH SE IN 1972 (AGNES) RECORDS FOR JUNE 24 HIGH 91F IN 1914,1976 LOW 40F IN 1932 PRECIP 2.80 INS IN 1929 PEAK GUST 46 MPH S IN 1985 TODAY'S REPORT PREPARED By: Robert Skilling