BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, DECEMBER 8, 2015   ALL TIMES ARE IN EASTERN STANDARD TIME OVERCAST CONDITIONS TUESDAY, AS SHOWERS  TRY TO MOVE UP FROM THE SOUTH  Overcast stratus and stratocumulus have dominated the skies this morning with showers that have slowly made their way onshore this morning from the south. Thin fog and plentiful moisture have reduced visibility today throughout the day, with little fluctuation in the daytime temperature. Over a six hour span, temperatures have warmed from 37F to a maximum of 39F by the 1:00 PM EST observation. Showers have remained South and the  observatory- no precipitation has been recorded so far today. BHO Warmest Novembers, deg F (1885-2015): 1) 47.9 in 2011 2) 47.4 in 1975 3) 47.1 in 2006 4) 46.4 in 1948    46.4 in 1979    46.4 in 2009 7) 46.1 in 2015 8) 46.0 in 2001 9) 45.7 in 1953    45.7 in 1999 BHO Highest November Sea-Level Pressure, inches (1885-2015): 1) 30.88 in 1932    30.88 in 2015 3) 30.86 in 1887 4) 30.83 in 1896 5) 30.82 in 1891 6) 30.80 in 1996 7) 30.79 in 2013 8) 30.77 in 1914 PRELIMINARY STATS FOR NOVEMBER 2015 TEMPERATURE, Deg. F Avg. Max. 54.3 [+4.3] Avg. Min. 38.6 [+5.1] Mean      46.5 [+4.8] Corrected mean: 46.1 Max. for month: 72 on 5th Min. for month: 23 on 24th COOLING DEGREE DAYS Total cooling units: 1 [+1]   Total for the season: 811 [+209] Total for last season: 595 HEATING DEGREE DAYS Total heating units: 548 [-150]   Total for the season: 1002 [-259] Total for last season: 1159 PRECIPITATION, Inches Total: 2.59 [-2.17] Greatest in 24 hrs: 1.18 from 20th Snowfall: Trace [-2.3] Seasonal: Trace [-2.6]   WIND, mph Avg. uncorrected wind speed: 12.4 Avg. corrected wind speed: 12.7 Prevailing wind direction: W @ 13% Peak gust and direction: 43 SSE on the 20th SUNSHINE: Campbell-Stokes card minutes: 9222/17010 or 54% Astronomical total minutes:   9562/17644 or 54%      Today's Observations: 7 A.M. Weather: Overcast stratus Temperature: 37F; Dew Point: 32F; Wind: N at 98 kts Sea-level pressure: 30.11 ins. Hg, rising, then more quickly   Visibility: 20 miles, thin fog   6-hr Max temp: 41F  6-hr Min temp: 37F 24-hr precip: 0.00  BHO SA 1155 E20 BKN 20 197/37/32/3608/011/ THN FG ALQDS/ 8/6// 52005 10041 20037    10 A.M. Weather: Showers distant ESE-SSE, few stratus fractus in all directions, broken stratocumulus, overcast stratus Temperature: 39F; Dew Point: 35F; Wind: NNW at 9 kts, Sea-level pressure: 30.14 ins. Hg, rising, then falling but higher still     Visibility: 20 miles, except 15 miles ESE-SSE, distant showers ESE-SSE and thin fog in all directions   BHO SA 1455 E27 BKN 44 OVC 20 205/39/35/3409/014/ VSBY ESE-SSE 15 MI SHWRS DSNT ESE-SSE FEW STFRA ALQDS THN FG ALQDS/ 8/6// 50008 1 P.M. Weather: Overcast stratus Temperature: 39F; Dew Point: 37F; Wind: N at 8 kts, Sea-level pressure: 30.07 ins. Hg, falling, then more quickly   Visibility: 20 miles, except 15 miles W, 30 miles SW, thin fog 6-hr max. temp: 39F 6-hr min. temp: 37F BHO SA 1755 E17 OVC 20 184/39/37/3508/007/ VSBY W 15 MI SW 30 MI THN FG ALQDS/ 8/6// 58021 10039 20037 SUMMARY FOR MONDAY, DECEMBER 7, 2015     TEMPERATURE (DEGREES F) MAX.....54   NORMAL.....42 MIN.....37   NORMAL.....27  MEAN....46   NORMAL.....34   DEPARTURE FROM 30-YEAR NORMAL.....................+12 TOTAL DEPARTURE FOR THE MONTH.....................+52  [+7.2 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............19   DEPARTURE.........-12 TOTAL HEATING UNITS FOR THE MONTH.............155   DEPARTURE.........-52 TOTAL HEATING UNITS FOR THE SEASON...........1157   DEPARTURE........-312 TOTAL HEATING UNITS LAST SEASON TO DATE......1354   DIFFERENCE.......-197   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................31  NE  AT 11:49 P.M.*                      ASOS........................30  NNE AT 11:33 P.M.                      DAVIS.......................28  NE  AT 11:45 P.M. RMY N/A FASTEST MILE FOR YESTERDAY.....................21  NE  AT 11:45 P.M.   MAXIMUM 2-MINUTE ASOS AVERAGE..................21  NE  AT 11:46 P.M.   MAXIMUM 2-MINUTE DAVIS AVERAGE.................21  NE  AT 11:46 P.M.               AVERAGE WIND SPEED AND DIRECTION...............9.5 WSW                    ASOS.......................10.2                      DAVIS.......................8.6 W [276 Deg.]     * Last of several occurrences  PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.....0.00  DEPARTURE......-0.17                          ASOS...............0.00 TOTAL PRECIPITATION FOR THE MONTH...........0.37  DEPARTURE......-0.78                          ASOS...............0.36 TOTAL PRECIPITATION FOR THE YEAR...........39.79  DEPARTURE......-9.90                            ASOS................N/A *** *** ASOS annual total not available due to erroneous readings SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE......-0.4 TOTAL SNOWFALL FOR THE MONTH................0.0  DEPARTURE......-2.1 TOTAL SNOWFALL FOR THE SEASON.............TRACE  DEPARTURE......-4.7  PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER & DECEMBER 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 11/1  59/45/52/+6/T/006/01                  30 SSW RMY 31   11/2  62/47/55/+9/0.00/476/77               24 W   RMY N/A 11/3  71/44/58/+12/0.00/616/100             25 W   RMY 25 11/4  66/49/58/+13/0.00/601/98              22 SSW RMY N/A 11/5  72/51/62/+17/0.00/281/46              31 SW  RMY 36   11/6  71/60/66/+21/0.00/109/18              35 SSW RMY 38 11/7  64/46/55/+10/0.00/029/04              33 WNW RMY 35 11/8  54/39/47/+3/0.00/591/98               26 NW  RMY 30 11/9  59/38/49/+5/0.00/577/96               20 W   RMY 21 11/10 53/45/49/+5/0.11/000/00               28 NE  RMY N/A 11/11 48/43/46/+3/0.60/000/00               41 NE  RMY N/A  11/12 55/42/49/+6/0.07/000/00               28 S   RMY 30 11/13 57/41/49/+6/0.02/385/65               40 WSW RMY 47 11/14 45/31/38/-4/0.00/425/72               40 NW  RMY 47   11/15 51/31/41/-1/0.00/241/41               25 W   RMY 27 11/16 59/36/48/+6/0.00/416/71               25 NNW RMY 29 11/17 45/28/37/-4/0.00/572/98               18 NNE RMY N/A 11/18 50/35/43/+2/0.00/575/99               17 SSE RMY N/A 11/19 55/38/47/+6/T/000/00                  29 SSE RMY N/A 11/20 58/41/50/+10/1.18/416/72              43 SSE RMY N/A 11/21 46/35/41/+1/0.00/380/66               20 ENE RMY 21 11/22 45/35/40/+0/0.40/000/00               26 NW  RMY 28 11/23 40/25/33/-6/0.02/543/95               24 NW  RMY 29 11/24 42/23/33/-6/0.00/564/99               20 WSW RMY 19 11/25 46/31/39/+0/0.00/568/100              18 SSE RMY N/A 11/26 58/37/48/+10/0.00/386/68              33 S   RMY 35  11/27 63/48/54/+18/0.00/249/44              35 SW  RMY 38  11/28 55/38/47/+9/0.19/000/00               23 SW  RMY N/A  11/29 42/28/35/-2/0.00/410/73               17 NNW RMY 21 11/30 37/27/32/-5/T/T/151/27                17 S   RMY 18 12/1  42/30/36/-1/..../0.0/000/00           19 NNE RMY 19 12/2  53/37/45/+9/..../0.0/000/00           25 SSE RMY 25 12/3  53/37/45/+9/..../0.0/.../..           43 WNW RMY 42 12/4  47/32/40/+5/0.00/0.0/.../..           32 NW  RMY 32 12/5  50/33/42/+7/0.00/0.0/.../..           21 W   RMY N/A 12/6  57/35/46/+11/0.00/0.0/.../..          22 SW  RMY N/A 12/7  54/37/46/+12/0.00/0.0/.../..          31 NE  RMY N/A 12/8  low since midnight is 37F; normal low is now 26F   DAILY RECORDS FOR NOVEMBER AND DECEMBER 2015 **11/6 DAILY RECORD MAXIMUM TEMPERATURE OF 71F        TIES PREVIOUS RECORD OF 71F SET IN 1959   **11/6 DAILY RECORD HIGH MINIMUM TEMPERATURE OF 60F        BREAKS PREVIOUS RECORD OF 58F SET IN 1938 **11/6 DAILY RECORD HIGH MINIMUM TEMPERATURE OF 60F        TIES PREVIOUS MONTHLY RECORD OF 60F SET ON         11/8/1996 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):  RECORDS FOR DECEMBER 8 HIGH 62 IN 1966 LOW -4 IN 1906 PRECIP 1.54 INS. IN 1969 SNOWFALL 2.5 INS. IN 2001 PEAK GUST 78e W IN 1979 RECORDS FOR DECEMBER 9 HIGH 68 IN 1966 LOW -14 IN 1902 PRECIP 3.23 INS. IN 2014 SNOWFALL 10.8 INS. IN 2005 PEAK GUST 66 SE IN 1973 TODAY'S REPORT PREPARED BY: Brian Fitzgerald