BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SATURDAY, SEPTEMBER 3, 2016  ALL TIMES ARE IN EASTERN STANDARD TIME COOL AND PLEASANT WEATHER CONTINUES, OUTFLOW CIRRUS CLOUDS FROM HERMINE BLANKET THE SKY High pressure continued to sit over the region today, bringing with it another day of extremely pleasant weather. Skies were mostly  cloudy due to cirrus from Hermine reaching the New England area. After a record-breaking August, temperatures have been slightly cooler  than average.  The overnight low of 56F was 3F below normal. The max. of 71F by 1:00PM is 5F below normal.   PRELIMINARY STATS FOR AUGUST 2016  TEMPERATURE, Deg. F Avg. Max. 85.1 [+5.9] Avg. Min. 65.0 [+3.2] Mean      75.1 [+4.6] 24-hour corrected mean: 74.1 Max. for month: 95F on 12th Min. for month: 54F on 23rd HEATING DEGREE DAYS Total heating units: 0 [-16]   Total for the season: 10 [-15] Total for last season: 1 COOLING DEGREE DAYS Total cooling units: 318 [+132]   Total for the season: 792 [+255] Total for last season: 666 PRECIPITATION, Inches Total: 1.78 [-2.25] Greatest in 24 hrs: 0.55 in. on 13th and 14th WIND, mph Avg. uncorrected wind speed: 10.3 Avg. corrected wind speed: 10.8 Prevailing wind direction: SSW at 14% Peak gust and direction: 40 SSW on 14th SUNSHINE: Campbell-Stokes card minutes: 17460 mins. of possible 24780 or 70% Astronomical total minutes: 18130 mins. of possible 25714 or 71% The 24-hour corrected mean temperature for August of 74.1 deg F breaks the previous record of 72.6 deg F set in 2012 for the warmest August. August 2016 was 1.5 deg F warmer than the second warmest August on record while previous records were all within 0.1-0.2 deg F of each other. The  average maximum and minimum temperatures for August 2016 are also new records.  The previous high average max was 83.2 deg F set in August 2005; the previous  high average min was 64.9 deg F set in August 2001. Summer 2016 was also the warmest summer on record with an average temperature of 71.6 deg F.  This breaks the previous record of 71.3 deg F set in 2012. Even with the extreme drought in the Boston area, summer 2016 only ranks as third driest. BHO Warmest Augusts, deg F (1885-2016): 1) 74.1 in 2016 2) 72.6 in 2012 3) 72.5 in 1988 4) 72.4 in 2015 5) 72.3 in 2005 6) 72.1 in 2002 BHO Warmest Summers (Jun-Aug), deg F (1885-2016): 1) 71.6 in 2016 2) 71.3 in 2010 3) 70.8 in 1949 4) 70.6 in 1999 5) 70.4 in 1952 6) 70.2 in 2005 BHO Driest Summers (Jun-Aug), inches (1885-2016): 1) 3.48 in 1949 2) 3.54 in 1957 3) 4.90 in 2016 4) 5.24 in 1965 5) 5.43 in 1964 6) 5.45 in 1997 10 A.M. Weather: Broken altostratus, broken cirrostratus Temperature: 69F; Dew Point: 57F; Wind: ENE at 9 kts Sea-level pressure: 30.24 ins. Hg, rising, then steady Visibility: 70 miles BHO SA 1455 E160 BKN 220 BKN 70 239/69/57/0709/024/ FEW CU ENE-SW/ 8/117 50003 1 P.M. Weather: Few cumulus in all directions, scattered cirrostratus, broken cirrus Temperature: 71F; Dew Point: 54F; Wind: ENE at 6 kts, Wind Speed: Light Sea-level pressure: 30.01 ins. Hg, falling, then more slowly Visibility: 70 miles 6-hr Max temp: 71F 6-hr Min temp: 59F BHO SA 1755 220 SCT E260 BKN 70 162/71/54/0606/001/ FEW CU ALQDS WND LGT/ 8/101 55002 10071 20059   SUMMARY FOR FRIDAY, SEPTEMBER 2, 2016    TEMPERATURE (DEGREES F) MAX.....76   NORMAL.....76 MIN.....58   NORMAL.....59  MEAN....67   NORMAL.....68 DEPARTURE FROM 30-YEAR NORMAL........................-1 TOTAL DEPARTURE FOR THE MONTH........................-1 [-0.7 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............2   DEPARTURE..........-2 TOTAL COOLING UNITS FOR THE MONTH...............5   DEPARTURE..........-3 TOTAL COOLING UNITS FOR THE SEASON............797   DEPARTURE........+252 TOTAL COOLING UNITS LAST SEASON TO DATE.......686   DIFFERENCE.......+111    PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY...................21 NNW AT 10:04 P.M.                    AEROVANE....................16 NNW AT 10:05 P.M.                    ASOS........................21 NNW AT 10:05 P.M.                    DAVIS.......................1P NNW AT 10:05 P.M. RMY 20 FASTEST MILE FOR YESTERDAY.....................13 NW  AT 11:02 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE..................15 NNW AT 11:01 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE.................12 WSW AT  2:45 A.M. AVERAGE WIND SPEED AND DIRECTION..............6.8 WSW                    ASOS.......................7.3                    DAVIS......................6.3 WSW [250 Deg.] * Last of several occurrences PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.11                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.09  DEPARTURE......-0.13                          ASOS..............0.10 TOTAL PRECIPITATION FOR THE YEAR..........25.06  DEPARTURE.....-10.18                          ASOS.............25.37   PRELIMINARY CLIMATE SUMMARY FOR AUGUST CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO/RMY GUST AERO: Aerovane wind recording system 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  75/65/70/-2/0.02/320/37                 21 NE  AERO 20 ENE RMY 20 8/2  71/63/67/-5/0.12/000/00                 16 ENE AERO 16 ENE RMY 16 8/3  81/60/71/-1/0.00/603/70                 18 S   AERO 16 S   RMY 17 8/4  86/61/74/+2/0.00/833/97                 23 S   AERO 22 S   RMY 17  8/5  87/61/74/+2/0.00/823/96                 29 S   AERO 29 S   RMY 30  8/6  88/67/78/+6/T/419/49                    24 SSW AERO 23 SSW RMY 23    8/7  89/65/77/+5/0.00/784/92                 26 WNW AERO 25 WNW RMY 26 8/8  87/63/75/+3/0.00/816/96                 23 W   AERO 21 W   RMY 22 8/9  90/65/78/+6/0.00/789/93                 25 SSW AERO 24 SSW RMY 25 8/10 76/66/71/+0/0.28/017/02                 30 SSW AERO 31 SSW RMY 33 8/11 93/73/83/+12/T/666/79                   22 SSW AERO 21 SSW RMY 22 8/12 95/74/85/+14/0.00/487/58                30 SW  AER0 30 SW  RMY 31  8/13 78/67/73/+1/0.16/201/24                 25 NNW AERO 36 NNW RMY N/A TSTM 8/14 94/69/82/+11/0.39/701/84                39 SSW AERO 40 SSW RMY N/A TSTM 8/15 89/68/79/+8/0.00/758/91                 25 W   AERO 24 W   RMY 28 8/16 83/69/76/+5/0.02/125/15                 31 S   AERO 30 S   RMY N/A 8/17 84/68/76/+5/0.00/679/82                 38 W*  AERO 35 W   RMY 39 8/18 89/65/77/+6/T/635/77                    22 SW  AERO 20 SW  RMY 21  8/19 86/68/77/+7/0.00/674/82                 17 S   AERO 16 SSE RMY 17   8/20 86/65/76/+6/0.00/754/92                 25 S   AERO 23 S   RMY 25 8/21 87/62/75/+5/0.54/727/89                 25 S   AERO 22 SSE RMY N/A 8/22 78/59/69/-1/0.00/774/95                 31 NW  AERO 29 NW  RMY 32 8/23 80/54/67/-3/0.00/796/98                 23 WSW AERO 21 WSW RMY 23 8/24 87/62/75/+5/0.00/809/100                22 W   AERO 18 W   RMY 20 8/25 86/65/76/+7/0.00/629/78                 28 SW  AERO 23 SW  RMY 27 8/26 88/70/79/+9/0.25/458/57                 23 W   AER0 17 W   RMY 21 8/27 86/66/76/+7/0.00/761/95                 14 SE  AERO 12 SE  RMY 15 8/28 86/66/76/+7/0.00/718/90                 25 SSE AERO 20 SSE RMY 27 8/29 89/65/77/+8/0.00/589/74                 28 WNW AERO 23 W   RMY 29 8/30 83/59/71/+3/0.00/785/99                 18 S*  AERO 14 SW  RMY N/A 8/31 80/65/73/+5/T/000/00                    21 SW  AERO 16 SW  RMY 20 DAILY RECORDS FOR AUGUST 2016 8/11/16: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 73F,          TIES PREVIOUS RECORD SET IN 1900 AND 1988 8/12/16: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 74F,          TIES PREVIOUS RECORD SET IN 1988 PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO/RMY GUST AERO: Aerovane wind recording system 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 9/1  72/64/68/0/0.09/.../..                  21 NNW AERO 16 NNW RMY 20 9/2  76/58/67/-1/0.00/.../..                 23 ENE AERO 17 NE  RMY 23 9/3  Low temp since midnight is 56F; normal low is now 59F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):  RECORDS FOR SEPTEMBER 3 HIGH 95F IN 1929 LOW 43F IN 1983 PRECIP 3.82 INCHES IN 1972 (TROPICAL STORM CARRIE) PEAK GUST 58 MPH NNE IN 1972 (TROPICAL STORM CARRIE) RECORDS FOR SEPTEMBER 4 HIGH 90F IN 1953, 1973 LOW 46F IN 1987 PRECIP 3.22 INCHES IN 1922 PEAK GUST 47 MPH SE IN 1966 TODAY'S REPORT PREPARED BY: Cecilia Borries-Strigle