BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, OCTOBER 9, 2015  ALL TIMES ARE IN EASTERN STANDARD TIME BREEZY, WARM MORNING RESULTS IN RAIN SHOWERS THIS AFTERNOON Overnight, temperatures dipped to a slightly warming than normal minimum of 50F, some 4 degrees above normal. Temperatures quickly warmed after 1:00 AM EST this morning, hitting 60F not long after 8:00 AM EST. Heavy rain showers over portions of VT and NH were slowly approaching by the 10:00 AM EST observation. By the 1:00 PM EST observation winds were exceptionally  gusty from the S with a peak gust of 45 MPH at 12:37 PM EST officially so far. A maximum of 68F was recorded with showers far off to the north and west.    Today's Observations: 7 A.M. Weather: Broken altocumulus, broken cirrostratus, cumulus fractus E and SW drifting N Temperature: 55F; Dew Point: 54F; Wind: S at 16G23 kts, Sea-level pressure: 30.03 ins. Hg, falling, then more quickly Visibility: 20 miles, thin fog in all directions 6-hr Max temp: 55F   6-hr Min temp: 50F 24-hr precip: 0.00 ins.  BHO SA 1155 E60 BKN 220 BKN 20 170/55/54/1716G23/003/  FEW CUFRA E AND SW DRFTNG N THN FG ALQDS/ 8/756 58012 10055 20050 10 A.M. Weather: Broken altocumulus (two layer), few cumulus/cumulus fractus in all directions Temperature: 65F; Dew Point 57F; Wind: S at 16G25 kts, Peak Wind: 26 knots S @ 9:27 AM EST  Sea-level pressure: 29.94 ins. Hg, falling rapidly Visibility: 30 miles, except 20 miles W-NNE, thin fog BHO SA 1455 E60 BKN 90 BKN 30 138/65/57/1816G25/994/  VSBY W-NNE 20 MI FEW CU/CUFRA ALQDS THN FG ALQDS  PRESFR PK WND 1926/27/ 8/750 58032 1 P.M. Weather: Broken stratocumulus, broken altocumulus, thin overcast of cirrostratus, breaks in overcast NW, few cumulus E-N Temperature: 67F; Dew Point: 56F; Wind: S at 22G32 kts Peak Wind: 39 knots S @ 12:37 PM Sea-level pressure: 29.82 ins. Hg, falling rapidly  Visibility: 20 miles, thin fog in all directions 6-hr Max: 68F  6-hr Min: 55F 6-hr precip: none   BHO SA 1755 E38 BKN 80 BKN 250 -OVC 20 099/67/56/1922G32/982/  FEW CU E-N BINOVC NW THN FG ALQDS PRESFR PK WND 1939/37/  8/836 56039 10068 20055 SUMMARY FOR THURSDAY, OCTOBER 8, 2015     TEMPERATURE (DEGREES F) MAX.....63   NORMAL.....63  MIN.....49   NORMAL.....46  MEAN....56   NORMAL.....54    DEPARTURE FROM 30-YEAR NORMAL........................+2 TOTAL DEPARTURE FOR THE MONTH.......................-21  [-2.8 DEGREES/DAY]   COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............0   DEPARTURE...........0 TOTAL COOLING UNITS FOR THE MONTH...............0   DEPARTURE..........-2 TOTAL COOLING UNITS FOR THE SEASON............810   DEPARTURE........+211 TOTAL COOLING UNITS LAST SEASON TO DATE.......587   DIFFERENCE.......+223 HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............9   DEPARTURE..........-3 TOTAL HEATING UNITS FOR THE MONTH..............95   DEPARTURE.........+18 TOTAL HEATING UNITS FOR THE SEASON............138   DEPARTURE.........-82 TOTAL HEATING UNITS LAST SEASON TO DATE.......173   DIFFERENCE........-35   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................21  S   AT 10:47 P.M.                     ASOS........................22  S   AT 10:48 P.M.                      DAVIS.......................21  S   AT 10:48 P.M. RMY N/A FASTEST MILE FOR YESTERDAY.................... 16  S   AT 10:48 P.M.   MAXIMUM 2-MINUTE ASOS AVERAGE..................16  S   AT 11:34 P.M.   MAXIMUM 2-MINUTE DAVIS AVERAGE.................14  S   AT 10:50 P.M.   AVERAGE WIND SPEED AND DIRECTION..............9.8 NNW                     ASOS.......................9.7                        DAVIS..................... 8.3 NNW [333 DEG]  PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.....0.00  DEPARTURE.....-0.15                          ASOS...............0.00 TOTAL PRECIPITATION FOR THE MONTH...........0.52  DEPARTURE.....-0.67                          ASOS...............0.50 TOTAL PRECIPITATION FOR THE YEAR...........34.19  DEPARTURE.....-5.61                          ASOS................N/A *** *** ASOS annual total not available due to erroneous readings PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER & OCTOBER 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 9/1  81/65/73/+5/0.00/766/97               20 SSW RMY 20 9/2  89/64/77/+9/0.00/732/93               20 SW  RMY 21   9/3  85/66/76/+9/T/612/78                  17 E   RMY N/A TSTM  9/4  72/58/65/-2/0.00/297/38               31 ENE RMY N/A 9/5  77/55/66/-1/0.00/748/96               14 SW  RMY 18 9/6  87/57/72/+5/0.00/753/97               21 SSW RMY 22 9/7  92/63/78/+12/0.00/727/94              23 WSW RMY 24 9/8  97/70/84/+18/0.00/693/90              22 WSW RMY 24 9/9  92/70/81/+15/0.00/683/89              30 SSW RMY 33 9/10 73/62/68/+3/0.32/000/00               29 NE  RMY N/A 9/11 70/59/65/0/0.59/084/11                33 NE  RMY N/A 9/12 75/58/67/2/0.02/380/50                18 SSE RMY 25  9/13 66/60/63/-1/0.42/000/00               25 E   RMY N/A 9/14 70/53/62/-2/0.00/550/73               33 W   RMY 35 9/15 82/56/69/+5/0.00/736/98               23 W   RMY N/A 9/16 84/62/73/+10/0.00/711/95              17 NW  RMY N/A 9/17 87/64/76/+13/0.00/723/97              17 SW  RMY 16 9/18 86/64/75/+13/0.00/712/96              21 SSW RMY 21 9/19 80/62/71/+9/0.00/480/65               22 S   RMY N/A 9/20 74/55/65/+3/T/552/75                  24 S   RMY N/A   9/21 65/50/58/-3/0.00/646/88               29 ENE RMY 30 9/22 67/55/61/+0/0.00/183/25               21 E   RMY 21 9/23 72/50/61/+1/0.00/677/93               15 E   RMY N/A 9/24 72/56/64/+4/0.00/696/96               22 E   RMY 21    9/25 66/53/60/0/0.00/556/77                21 E   RMY 20  9/26 63/49/56/-3/0.00/633/88               25 ENE RMY 25 9/27 71/46/59/+0/0.00/688/96               17 S   RMY 18 9/28 81/57/69/+11/0.00/428/60              22 SSW RMY 24 9/29 82/65/74/+16/0.09/320/45              28 S   RMY N/A 9/30 75/53/64/+6/2.44/000/00               47 S   RMY 51  TSTM 10/1 55/51/53/-4/..../.../..               39 NE  RMY N/A 10/2 51/47/49/-8/..../.../..               40 NE  RMY 43  10/3 51/45/48/-8/..../000/00               38 NE  RMY N/A  10/4 55/49/52/-4/0.00/.../..               35 E   RMY 40 10/5 59/46/53/-3/T/.../..                  21 NE  RMY 20  10/6 68/43/56/+1/0.00/.../..               17 NW  RMY 17 10/7 69/46/58/+3/0.00/.../..               20 W   RMY 20 10/8 63/49/56/+2/0.00/.../..               21 S   RMY N/A 10/9 low since midnight is 50F; normal low is now 45F   DAILY RECORDS FOR SEPTEMBER & OCTOBER 2015 **9/7 DAILY RECORD MAXIMUM TEMPERATURE OF 92F  TIES PREVIOUS RECORD SET IN 2007** **9/8 DAILY RECORD MAXIMUM TEMPERATURE OF 97F BREAKS PREVIOUS RECORD OF 93F SET IN 2007** **9/8 DAILY RECORD HIGH MINIMUM TEMPERATURE OF 70F BREAKS PREVIOUS RECORD OF 69F SET IN 1999** **9/9 DAILY RECORD MAXIMUM TEMPERATURE OF 92F BREAKS PREVIOUS RECORD OF 91F SET IN 2002** **9/9 DAILY RECORD HIGH MINIMUM TEMPERATURE OF 70F BREAKS PREVIOUS RECORD OF 69F SET IN 1999** **9/17 DAILY RECORD MAXIMUM TEMPERATURE OF 87F BREAKS PREVIOUS RECORD OF 86F SET IN 1915, 1941, AND 1991** **9/18 DAILY RECORD HIGH MINIMUM TEMPERATURE OF 64F TIES PREVIOUS RECORD SET IN 1992** **9/30 DAILY RECORD PRECIP OF 2.44 INS BREAKS PREVIOUS RECORD OF 1.93 INCHES SET IN 1946** DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR OCTOBER 9 HIGH 82F IN 2011 LOW 29F IN 1907,1937 PRECIP 2.54 INCHES IN 1976 SNOWFALL 0.2 INCHES IN 1888 PEAK GUST 81e MPH S IN 1976 (RECORD FOR MONTH) RECORDS FOR OCTOBER 10 HIGH 85F IN 1949 LOW 27F IN 1929 PRECIP 2.02 INCHES IN 1998 SNOWFALL 6.8 INCHES IN 1979 (RECORD FOR MONTH) PEAK GUST 59 MPH WNW IN 1958 TODAY'S REPORT PREPARED BY: Brian Fitzgerald