BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, DECEMBER 2, 2015   ALL TIMES ARE IN EASTERN STANDARD TIME SHOWERS MOVE THROUGH THE REGION IN ROUNDS, 0.26 INCHES OF NEW RAIN BY THE 1:00 PM EST OBSERVATION Showers began to come down in a steadier fashion around 6:00 PM EST last evening, with 0.17 inches of new rain by this  morning's 7:00 AM EST observation. Thick fog has hung in place reducing visibility to 1/4 of a mile for the majority of this morning, as rain showers began once more. By the 1:00 PM EST observation an additional 0.09 inches  of new rain had fallen, with very light rain showers occurring. Thick fog was still limiting visibility to 1/4 of a mile. 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 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 [-2.18] 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: Thick fog Temperature: 37F; Dew Point: 37F; Wind: estimated NW at 4 kts Wind Speed: Light  Sea-level pressure: 29.95 ins. Hg, falling, then more slowly  Visibility: 1/4 mile, thick fog 6-hr Max temp: 41F  6-hr Min temp: 37F 24-hr precip: 0.17 inches  BHO SA 1155 W3 X 1/4F 142/37/37/E3204/995/ WND LGT/ 8//// 56002 ASOS 70016 MANUAL 70017 10041 20037 10 A.M. Weather: Light rain shower, thick fog Temperature: 39F; Dew Point 39F; Wind: estimated SSE at 5 kts, Wind Speed: Light Sea-level pressure: 29.93 ins. Hg, falling, then more quickly    Visibility: 1/4 mile, light rain shower, thick fog 3-hr precip: 0.01 inches BHO SA 1455 W3 X 1/4RW-F 137/39/39/E1505/993/ WND LGT/ 8//// 58005 ASOS 60001 MANUAL 60001    1 P.M. Weather: Light rain shower, thick fog Temperature: 42F; Dew Point 42F; Wind: SSW at 7 kts, Sea-level pressure: 29.87 ins. Hg, falling, then more slowly Visibility: 1/4 mile, thick fog, light rain shower 6-hr max. temp: 43F 6-hr min. temp: 37F 6-hr precip: 0.09 inches BHO SA 1755 W3 X 1/4RW-F 114/42/42/2007/987/ 8//// 56023 ASOS 60009 MANUAL 60009 10043 20037 SUMMARY FOR TUESDAY, DECEMBER 1, 2015     TEMPERATURE (DEGREES F) MAX.....42   NORMAL.....44 MIN.....30   NORMAL.....29  MEAN....36   NORMAL.....37   DEPARTURE FROM 30-YEAR NORMAL......................-1 TOTAL DEPARTURE FOR THE MONTH......................-1  [-1.2 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............29   DEPARTURE..........+0 TOTAL HEATING UNITS FOR THE MONTH..............29   DEPARTURE..........+0 TOTAL HEATING UNITS FOR THE SEASON...........1031   DEPARTURE........-259 TOTAL HEATING UNITS LAST SEASON TO DATE......1174   DIFFERENCE.......-143   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................19 NNE  AT  11:46 P.M.*                     ASOS........................18 ESE  AT   6:49 A.M.                            DAVIS.......................17 SSE  AT   3:27 A.M. RMY 19 FASTEST MILE FOR YESTERDAY.....................13 NNE  AT  11:45 P.M.       MAXIMUM 2-MINUTE ASOS AVERAGE..................14 NNE  AT  11:52 P.M.              MAXIMUM 2-MINUTE DAVIS AVERAGE.................14 SSE  AT   5:33 A.M.              AVERAGE WIND SPEED AND DIRECTION................9.9 SE                    ASOS........................10.2                          DAVIS........................9.0 SE [128 Deg.]     * Last of several occurrences  PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.....0.17  DEPARTURE......+0.01                          ASOS...............0.16 TOTAL PRECIPITATION FOR THE MONTH...........0.17  DEPARTURE......+0.01                          ASOS...............0.16 TOTAL PRECIPITATION FOR THE YEAR...........39.59  DEPARTURE......-9.11                            ASOS................N/A *** *** ASOS annual total not available due to erroneous readings 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/..../000/00               28 NE  RMY N/A 11/11 48/43/46/+3/..../000/00               41 NE  RMY N/A  11/12 55/42/49/+6/..../000/00               28 S   RMY 30 11/13 57/41/49/+6/..../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/..../000/00               29 SSE RMY N/A 11/20 58/41/50/+10/..../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/..../000/00               26 NW  RMY 28 11/23 40/25/33/-6/0.00/543/95               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/..../000/00               19 NNE RMY 19 12/2 low since midnight is 37F; normal low is now 28F   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 2 HIGH 61 IN 1998 LOW 3 IN 1890 PRECIP 2.09 INS. IN 1974 SNOWFALL 5.0 INS. IN 1894, 1929 PEAK GUST 89e MPH SSE IN 1942 RECORDS FOR DECEMBER 3 HIGH 67 IN 2009 LOW  -1 IN 1890 PRECIP 2.10 INS. IN 1986 SNOWFALL 6.0 INS. IN 1963 PEAK GUST 73e MPH W IN 1942 TODAY'S REPORT PREPARED BY: Brian Fitzgerald