BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, AUGUST 13, 2014 ALL TIMES ARE IN EASTERN STANDARD TIME HEAVY RAIN, FLASH FLOODS ENTER THE REGION By the 1:00 PM EST observation less than 1 inch total of rain had fallen since early this morning, with other areas south and west receiving significantly more. Some areas of Long Island, NY, saw more than one foot of rainfall in less than 6 hours. Winds have picked up here at Blue Hill as well, with winds gusting routinely above 30 MPH from mid morning into the early afternoon. A peak of 38 MPH had been recorded on the ASOS system by the time of this report. Today's Observations: 7 A.M. Weather: Fog and light rain Temperature: 64F; Dew Point: 63F; Wind: E at 14 kts Sea-level pressure: 29.93 ins. Hg, falling slightly Visibility: 6 miles, 4 miles SE, obscured by light rain and fog 6-hr max temp: 67F 6-hr min temp: 64F 24-hr precip: 0.29 inches BHO SA 1155 W5 X 6R-F 134/64/63/0914/993/ VSBY SE 4 MI/ 8//// 57002 ASOS 60029 70029 MANUAL 70029 10067 20064 10 A.M. Weather: Fog and light rain, scattered stratus, overcast nimbostratus, patches of fog drifting below the summit in all directions Temperature: 64F; Dew Point: 64F; Wind: E at 21G26 kts, Peak Wind: 30 MPH ESE @ 9:42 AM EST Sea-level pressure: 29.86 ins. Hg, falling, then more rapidly Visibility: 6 miles, obscured by fog and light rain 3-hr precip: 0.19 inches BHO SA 1455 E39 BKN 65 OVC 6R-F 111/64/64/1021G26/986/ FEW STFRA ALQDS PTCHS FG DRFTG BLO SMT ALQDS PK WND 1126/42/ 8/62/ 58023 ASOS 60019 MANUAL 60019 1 P.M. Weather: Fog and light rain Temperature: 65F; Dew Point: 65F; Wind: ESE at 22 kts Peak Wind: 33 MPH ESE @ 12:38 P.M. EST Sea-level pressure: 29.76 ins. Hg, falling, then more quickly Visibility: 1 mile, 1/2 mile NW-E, obscured by fog and rain 6-hr max. temp: 65F 6-hr min. temp: 64F 6-hr precip: 0.63 inches BHO SA 1755 W3 X 1R-F 077/65/65/1222/976/ VSBY NW-E 1/2 MI PK WND 1229/38/ 8//// 58034 ASOS 60065 MANUAL 60063 10065 20064 WEATHER SUMMARY FOR TUESDAY, AUGUST 12, 2014 TEMPERATURE (DEGREES F) MAX.....81 NORMAL.....80 MIN.....64 NORMAL.....62 MEAN....73 NORMAL.....71 DEPARTURE FROM 30-YEAR NORMAL.........................+2 TOTAL DEPARTURE FOR THE MONTH.........................-3 [-0.1 DEGREE/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY..............8 DEPARTURE...........+1 TOTAL COOLING UNITS FOR THE MONTH.............79 DEPARTURE...........-5 TOTAL COOLING UNITS FOR THE SEASON...........416 DEPARTURE..........-19 TOTAL COOLING UNITS LAST SEASON TO DATE......542 DIFFERENCE........-126 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY..................25 SSE AT 3:22 P.M. ASOS.......................30 S AT 3:21 P.M. DAVIS......................27 SSE AT 3:21 P.M. RMY N/A FASTEST MILE FOR YESTERDAY....................21 SSE AT 3:33 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.................21 S AT 4:35 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE................19 SSE AT 4:35 P.M. AVERAGE WIND SPEED AND DIRECTION..............12.8 SSE ASOS.......................12.0 DAVIS......................11.4 S [173 deg.] * last of several occurrences... PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.29 DEPARTURE..........+0.16 ASOS..............0.29 TOTAL PRECIPITATION FOR AUGUST.............0.48 DEPARTURE..........-1.24 ASOS..............0.44 TOTAL PRECIPITATION FOR THE YEAR..........30.00 DEPARTURE..........-2.60 ASOS.............32.32 PRELIMINARY CLIMATE SUMMARY FOR AUGUST CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY GUST RMY: R.M. Young wind gust recording system TSTM: Thunderstorm day (thunder heard some time during day) ....: Data not yet available, records not finalized 8/1 86/63/75/+3/0.00/598/69 25 S RMY 29 8/2 68/59/64/-8/..../009/01 21 ESE RMY 22 8/3 71/60/66/-6/..../104/12 12 SE RMY 12 8/4 83/64/74/+2/0.00/550/64 20 S RMY 21 8/5 87/66/77/+5/0.00/798/93 17 S RMY 19 8/6 79/64/72/0/0.06/.../.. 23 WNW RMY 25 8/7 79/58/69/-3/T/.../.. 22 NW RMY 24 TSTM 8/8 82/55/69/-3/0.00/.../.. 20 WNW RMY 20 8/9 82/60/71/-1/0.00/.../.. 16 WNW RMY 17 8/10 84/63/74/+3/0.00/.../.. 15 W RMY N/A 8/11 85/63/74/+3/0.00/.../.. 25 S RMY 29 8/12 81/64/73/+2/0.00/.../.. 25 SSE RMY N/A 8/13 morning low of 64F; the normal low is now 62F DAILY RECORDS FOR AUGUST 2014: None so far. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR AUGUST 13 HIGH 98F IN 1944, 2002 LOW 47F IN 1902, 1957 PRECIP 2.92 INCHES IN 1989 PEAK GUST 52 MPH SSE IN 1963 RECORDS FOR AUGUST 14 HIGH 99F IN 2002 LOW 46F IN 1964 PRECIP 3.06 INCHES IN 1919 PEAK GUST 61 MPH WNW IN 1963 TODAY'S REPORT PREPARED BY: Brian Fitzgerald