BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, OCTOBER 25, 2017   ALL TIMES ARE IN EASTERN STANDARD TIME LOW PRESSURE BRINGS RAIN AND HIGH WINDS TO GREAT BLUE HILL As the pressure continues to fall, we have had a strong wind gust from the south/southeast and a peak gust of 44 kts (51 MPH) so far today. Skies remained overcast with stratus throughout the day. The morning started with  fog that limited visibility to 1/2 mile. The fog began lifting allowing us to see 30 miles by 1:00 PM EST.  An overnight down pour left 1.26 ins. of precipitation on top of Great Blue Hill. An additional 0.13 ins. was measured by 1:00 PM EST. With winds from the south,  temperatures continue to be above seasonable with  a high of 67F by 1:00 PM EST. This is 10 degrees  above the normal of 57F. So far for the month of October we are in the top three warmest for average maximum temperatures and the warmest on record for average minimum temperatures through the 24th. The minimum temperature on the 24th of 64F was not only a new record for the date, surpassing the previous record of 61F set in 2001, it was also the highest daily minimum temperature ever recorded at Blue Hill so late in the season. Today's Observations: 7 A.M. Weather: Overcast stratus, fog and light drizzle Temperature: 66F; Dew Point: 66F; Wind: S at 7 kts Sea-level pressure: 29.75 ins. Hg, falling, then more slowly Visibility: 1/2 mile    6-hr Max temp: 69F 6-hr Min temp: 64F 24-hr precip: 1.31 ins.  BHO SA 1155 E4 OVC 1/2L-F 074/66/66/1707/975/ PCPN VRY  LGT/ 8/6// 57002 MANUAL 70131 ASOS 70138 10069 20064 10 A.M. Weather: Overcast stratus, fog and rain  Temperature: 66F; Dew Point: 66F; Wind: S at 14 kts Sea-level pressure: 29.74 ins. Hg, rising then falling Visibility: 5 miles  3-hr precip: 0.01 ins. BHO SA 1455 E6 OVC 5RF 070/66/66/1714/974/ VSBY N-NNE 2/  8/6// 57004 MANUAL 6001/ ASOS 60002  1 P.M.  Weather: Overcast stratus, few stratus fractus  drifting below summit SSW-NNE, line of clearing along horizon WNW-S, light drizzle Temperature: 62F; Dew Point: 61F; Wind: SW at 7 kts Sea-level pressure: 29.72 ins. Hg, steady then falling Visibility: 30 miles distant fog in all directions   6-hr Max temp: 67F  6-hr Min temp: 61F 6-hr precip: 0.13 ins. BHO SA 1755 E8 OVC 30L- 066/62/61/2307/972/ FEW LWR  STFRA DRFTG BLO SMT SSW-NNE LINE OF CLRG ALG HRZN WNW-S  DSNT FG ALQDS/ 8/6// 56004 MANUAL 6013/ ASOS 60017  10067 20061  SUMMARY FOR TUESDAY, OCTOBER 24, 2017   TEMPERATURE (DEGREES F) MAX.....73   NORMAL.....58 MIN.....64   NORMAL.....40 MEAN....69   NORMAL.....49 DEPARTURE FROM 30-YEAR NORMAL........................+20 TOTAL DEPARTURE FOR THE MONTH.......................+209 [+8.5 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............4   DEPARTURE..........+4 TOTAL COOLING UNITS FOR THE MONTH..............24   DEPARTURE.........+19 TOTAL COOLING UNITS FOR THE SEASON............731   DEPARTURE........+129 TOTAL COOLING UNITS LAST SEASON TO DATE.......901   DEPARTURE........-170 HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............0   DEPARTURE.........-16 TOTAL HEATING UNITS FOR THE MONTH.............108   DEPARTURE........-191 TOTAL HEATING UNITS FOR THE SEASON............201   DEPARTURE........-240 TOTAL HEATING UNITS LAST SEASON TO DATE.......272   DEPARTURE.........-71 PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY...................50  SSE AT  2:01 P.M.                     AERO........................51  S   AT  2:45 P.M.                    ASOS........................52  S   AT  2:58 P.M.                    DAVIS.......................50  S   AT  2:01 P.M.  RMY N/A  FASTEST MILE FOR YESTERDAY.....................36  S   AT 10:41 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE..................37  S   AT 10:42 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE.................35  S   AT 10:42 A.M. AVERAGE WIND SPEED AND DIRECTION.............23.8  S                    ASOS......................22.7                    DAVIS.....................20.8  S  [170 DEG.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....1.31  DEPARTURE......+1.26                          ASOS..............1.38 TOTAL PRECIPITATION FOR THE MONTH..........1.92  DEPARTURE......-1.68                          ASOS..............2.01 TOTAL PRECIPITATION FOR THE YEAR..........43.78 DEPARTURE......+0.05                          ASOS...............N/A *** *** ASOS annual total not available due to erroneous readings PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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 M:    Missing data 10/1  65/42/54/-3/0.00/697/99             18 WNW AERO 16 NW  RMY N/A 10/2  65/46/56/-1/0.00/687/98             21 NNW AERO 21 NNW RMY 21 10/3  67/50/59/+3/0.00/677/97             21 S   AERO 21 S   RMY N/A 10/4  75/50/63/+7/0.00/660/95             30 SSW AERO 30 SW  RMY 32 10/5  79/60/70/+14/0.00/429/62            28 SW  AERO 26 SW  RMY N/A 10/6  73/57/65/+10/T/352/51               15 NW  AERO 14 NW  RMY 15 10/7  75/59/67/+12/T/344/50               29 S   AERO 30 SSW RMY N/A 10/8  71/67/69/+15/0.23/007/01            33 S   AERO 36 SSW RMY 37 10/9  71/68/70/+16/0.22/000/00            43 S   AERO 41 S   RMY 45 10/10 76/61/69/+15/0.00/637/94            21 WNW AERO 20 WNW RMY 21  10/11 68/55/62/+9/0.00/122/18             29 ENE AERO 25 ENE RMY 29  10/12 58/48/50/0/T/169/25                 30 NE  AERO 28 ENE RMY 30  10/13 64/48/56/+3/0.00/545/81             20 E   AERO 16 E   RMY 17 10/14 66/54/60/+8/.../637/94              15 SSE AERO 13 SSE RMY 13  10/15 72/58/65/+13/.../067/10             39 SSW AERO 36 SSW RMY 40  10/16 66/39/53/+2/.../146/22              28 NNW AERO 25 NNW RMY 29 10/17 57/35/46/-5/0.00/007/01             25 S   AERO 22 S   RMY 25 10/18 70/45/58/+7/0.00/659/100             25 SW  AERO 23 SW  RMY 22  10/19 72/52/62/+12/0.00/649/99            31 SSW AERO 30 SSW RMY 32 10/20 68/53/61/+11/0.00/.../..            28 WNW AERO 25 WNW RMY 29 10/21 77/52/65/+15/0.00/.../..            21 NW  AERO 20 NW  RMY 18  10/22 73/54/64/+15/0.00/.../..            21 ENE AERO 16 ENE RMY 17 10/23 69/50/60/+11/0.00/.../..            24 SSE AERO 24 SSE RMY N/A 10/24 73/64/69/+20/.../.../..             50 SSE AERO 51 S   RMY N/A  10/25 Low temp since midnight is 64F; normal low is now 40F DAILY RECORDS FOR OCTOBER 10/8/17: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 67F,          BREAKS PREVIOUS RECORD OF 60F SET IN 1944 10/9/17: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 68F,          BREAKS PREVIOUS RECORD OF 61F SET IN 2011 10/9/17: MONTHLY RECORD HIGH MINIMUM TEMPERATURE OF 68F,          BREAKS PREVIOUS RECORD OF 67F SET ON OCTOBER 13, 1990          AND TIED ON OCTOBER 8, 2017 10/24/17: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 64F,   BREAKS PREVIOUS RECORD OF 61F SET IN 2001 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):       RECORDS FOR OCTOBER 25 HIGH 81F IN 1963 LOW 26F IN 1922,1939 PRECIP 2.45 INCHES IN 2005 SNOWFALL 1.2 INCHES IN 1960 PEAK GUST 72 MPH ESE IN 1980 RECORDS FOR OCTOBER 26 HIGH 80F IN 1963 LOW 24F IN 1933 PRECIP 1.72 INCHES IN 1894 SNOW 3.0 INCHES IN 1962 WIND 59 MPH SSE IN 1967  TODAY'S REPORT PREPARED BY: Kaitlin Geagan