BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, AUGUST 27, 2015 ALL TIMES ARE IN EASTERN STANDARD TIME DRY, SEASONABLE CONDITIONS TAKE HOLD OF THE REGION Dew points that were stuck in the 60s and low 70s since last Friday have finally fallen to the more comfortable range of the mid 50s. This is the first morning since last Thursday that has featured clear conditions instead of thick fog. An overnight low of 59F this morning was just one degree below the daily normal low for this date. By today's 1:00 PM EST observation visibility had improved to 70 miles in all directions with partly sunny conditions. A maximum of 79F had been reached. Today's Observations: 7 A.M. Weather: Clear, few cumulus distant N-ENE, few cirrus distant ESE-SSW, few altocumulus distant W-NE Temperature: 65F; Dew Point: 56F; Wind: WNW at 9 kts, Sea-level pressure: 30.01 ins. Hg, rising, then more quickly Visibility:  60 miles, light distant haze in all directions 6-hr Max temp: 65F 6-hr Min temp: 59F 24-hr precip: 0.00 ins BHO SA 1155 CLR 60 162/65/56/3009/001/ FEW CU DSNT N-ENE FEW CI DSNT ESE-SSW FEW AC DSNT W-NW LGT DSNT HZ ALQDS/ 8/131 53015 10065 20059 10 A.M. Weather: Clear, few cirrostratus distant E-SW approaching, few small cumulus distant SW-NE, few altocumulus distant W-NW Temperature: 75F; Dew Point 56F; Wind: WNW at 8 kts, Wind Direction: Varying 270-330 degrees Sea-level pressure: 30.03 ins. Hg, rising, then more slowly Visibility: 70 miles, light distant haze in all directions BHO SA 1455 CLR 70 168/75/56/3008/003/ FEW CS DSNT E-SW  FEW SML CU DSNT SW-NE FEW AC DSNT W-NW LGT DSNT HZ ALQDS  WND 27V33/ 8/135 51006   1 P.M. Weather: Scattered cumulus, broken cirrus Temperature: 79F; Dew Point: 57F; Wind: WNW at 10 kts,  Sea-level pressure: 30.00 ins. Hg, falling steadily Visibility: 70 miles, light distant haze  6-hr Max temp: 79F   6-hr Min temp: 65F BHO SA 1755 60 SCT E250 BKN 70 159/79/57/2910/000/ LGT DSNT HZ ALQDS/ 8/102 57009 10079 20065 SUMMARY FOR WEDNESDAY, AUGUST 26, 2015     TEMPERATURE (DEGREES F) MAX.....82   NORMAL.....78  MIN.....64   NORMAL.....61  MEAN....73   NORMAL.....69    DEPARTURE FROM 30-YEAR NORMAL........................+4 TOTAL DEPARTURE FOR THE MONTH.......................+79  [+2.8 DEGREES/DAY]   COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............8    DEPARTURE.........+3 TOTAL COOLING UNITS FOR THE MONTH.............234   DEPARTURE.........+70 TOTAL COOLING UNITS FOR THE SEASON............628   DEPARTURE........+113 TOTAL COOLING UNITS LAST SEASON TO DATE.......453   DIFFERENCE.......+175   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................21  NW   AT   3:05 P.M.                            ASOS........................22  WNW  AT   3:05 P.M.                         DAVIS.......................21  NW   AT   3:05 P.M. RMY 22 FASTEST MILE FOR YESTERDAY.....................16  NW   AT   3:05 P.M.      MAXIMUM 2-MINUTE ASOS AVERAGE..................15  W    AT   5:50 P.M.        MAXIMUM 2-MINUTE DAVIS AVERAGE.................14  W    AT   1:21 P.M.      AVERAGE WIND SPEED AND DIRECTION..............8.8 WNW                     ASOS.......................8.4                    DAVIS......................7.8 W [270 deg.] * Last of several occurrences... PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.....0.00  DEPARTURE.....-0.12                          ASOS...............0.00 TOTAL PRECIPITATION FOR THE MONTH...........2.90  DEPARTURE.....-0.58                           ASOS..............2.88 TOTAL PRECIPITATION FOR THE YEAR...........30.26  DEPARTURE.....-4.21                         ASOS...............N/A *** *** ASOS annual total not available due to erroneous readings 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  88/68/78/+6/0.06/729/84               28 WNW RMY N/A  8/2  86/62/74/+2/0.00/865/100              24 SW  RMY N/A 8/3  89/68/79/+7/0.00/690/80               31 S   RMY N/A   8/4  86/66/76/+4/0.31/422/49               45 W   RMY 50  TSTM   8/5  84/64/74/+2/0.00/765/89               28 WNW RMY 27 8/6  80/59/70/-2/0.00/685/80               22 W   RMY 21 8/7  78/61/70/-2/0.00/845/99               20 ESE RMY 18 8/8  77/58/68/-4/0.00/741/87               18 E   RMY N/A 8/9  72/59/66/-6/T/458/54                  27 NNE RMY 26    8/10 84/58/71/0/0.00/.../..                28 S   RMY N/A 8/11 70/63/67/-4/0.52/000/00               32 SSE RMY 35 8/12 83/65/74/+3/0.00/766/91               22 W   RMY 20 8/13 83/62/73/+2/0.00/832/99               18 WNW RMY 18 8/14 86/63/75/+4/0.00/837/100              21 S   RMY 23 8/15 91/66/79/+8/..../.../..               38 W   RMY 41  TSTM 8/16 87/65/76/+5/..../.../..               16 W   RMY N/A 8/17 90/70/80/+9/0.00/.../..               17 W   RMY 18 8/18 92/70/91/+10/0.27/.../..              31 W   RMY 32  TSTM 8/19 87/69/78/+8/0.00/.../..               23 S   RMY 24 8/20 85/70/78/+8/0.00/.../..               22 ESE RMY 22 8/21 82/69/76/+6/0.31/.../..               21 S   RMY 23 8/22 73/66/70/0/T/.../..                   18 ENE RMY 16 8/23 70/66/68/-2/0.18/000/00               20 ENE RMY 18 8/24 78/67/73/+3/..../.../..               18 SSW RMY 19 8/25 85/68/77/+8/..../.../..               22 S   RMY 22 8/26 82/64/73/+4/..../.../..               21 NW  RMY 22 8/27 low since midnight is 59F; normal low is now 60F DAILY RECORDS FOR AUGUST 2015 None so far. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):  RECORDS FOR AUGUST 27 HIGH 99F IN 1948 LOW 44F IN 1885 PRECIP 2.77 INCHES IN 1946 PEAK GUST 48 MPH NW IN 1983 RECORDS FOR AUGUST 28 HIGH 95F IN 1948 LOW 43F IN 1885 PRECIP 1.80 INCHES IN 1922 PEAK GUST 87 MPH SSE IN 1971 (DORIA) TODAY'S REPORT PREPARED BY: Brian Fitzgerald