BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, DECEMBER 3, 2015   ALL TIMES ARE IN EASTERN STANDARD TIME FOG AND SHOWERS CLEAR THE REGION, TEMPERATURES RISE TO THE LOW 50S OVERNIGHT, CONDITIONS DRY OUT TODAY Showers wrapped up near midnight this morning as temperatures reached their maximum reading of 53F. Since showers began late Monday, a storm total of 0.37 inches was measured, keeping the month of December near 'normal' levels of precipitation after a drier than normal November. The annual precipitation deficit is above 9 inches for the year. Intermittent fog at the 7:00 AM EST observation cleared out by 9:00 AM EST this morning, with some lingering showers and virga by the 1:00 PM EST observation. A couple brief sprinkles left another trace of precipitation by that time with winds  becoming strong from the WNW. A peak gust of 41 MPH had been reached 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 PRELIMINARY STATS FOR OCTOBER 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 or 54% Astronomical total minutes:   9562 or 54%      Today's Observations: 7 A.M. Weather: Intermittent fog, broken altocumulus, broken cirrostratus Temperature: 47F; Dew Point: 47F; Wind: W at 7 kts Sea-level pressure: 29.62 ins. Hg, rising, then more quickly  Visibility: 5 miles varying to 60 miles, intermittent fog 6-hr Max temp: 53F  6-hr Min temp: 47F 24-hr precip: 0.20 inches  BHO SA 1155 -X E70 BKN 200 BKN 5F 032/47/47/2607/962/  F1 VSBY 5V60 MI FG INTMT/ 8/738 53012 ASOS 60001 70020  MANUAL 70020 10053 20047 10 A.M. Weather: Two layers broken stratocumulus Temperature: 44F; Dew Point 40F; Wind: W at 13G20 kts, Sea-level pressure: 29.67 ins. Hg, rising, then falling and lower    Visibility: 70 miles, except 40 miles W-NW, distant thin fog BHO SA 1455 E18 BKN 25 BKN 70 049/44/40/2713G20/967/  VSBY W-NW 40 MI THN FG W-NW/ 8/800 53017 1 P.M. Weather: Scattered stratocumulus, scattered altocumulus, showers distant E, virga N and SSW-SSE Temperature: 44F; Dew Point 33F; Wind: WNW at 21G30 kts, Peak Wind: 35 kts WNW at 12:28 PM EST Sea-level pressure: 29.70 ins. Hg, falling, then rising and higher  Visibility: 70 miles, except 50 miles N, showers distant E, virga N and SSW-SSE 6-hr max. temp: 48F 6-hr min. temp: 43F 6-hr precip: Trace BHO SA 1755 31 SCT 80 SCT 70 058/44/33/2921G30/970/  VSBY N 50 MI SHWRS DSNT E VIRGA N AND SSW-SSE PK WND 2935/28/  8/530 53009 MANUAL 6000/ 10048 20043 SUMMARY FOR WEDNESDAY, DECEMBER 2, 2015     TEMPERATURE (DEGREES F) MAX.....53   NORMAL.....44 MIN.....37   NORMAL.....28  MEAN....45   NORMAL.....36   DEPARTURE FROM 30-YEAR NORMAL......................+9 TOTAL DEPARTURE FOR THE MONTH......................+8  [+3.8 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............20   DEPARTURE..........-9 TOTAL HEATING UNITS FOR THE MONTH..............49   DEPARTURE..........-9 TOTAL HEATING UNITS FOR THE SEASON...........1051   DEPARTURE........-268 TOTAL HEATING UNITS LAST SEASON TO DATE......1205   DIFFERENCE.......-154   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................25 SSE  AT   7:48 P.M.                     ASOS........................24 S    AT   8:10 P.M.                            DAVIS.......................24 SSE  AT   7:48 P.M. RMY 25 FASTEST MILE FOR YESTERDAY.....................19 SSE  AT   7:49 P.M.*       MAXIMUM 2-MINUTE ASOS AVERAGE..................18 S    AT   8:11 P.M.              MAXIMUM 2-MINUTE DAVIS AVERAGE.................18 SSE  AT   7:48 P.M.              AVERAGE WIND SPEED AND DIRECTION................8.7 SSW                    ASOS.........................9.0                          DAVIS........................8.1 SW [220 Deg.]     * Last of several occurrences  PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.....0.20  DEPARTURE......+0.04                          ASOS...............0.20 TOTAL PRECIPITATION FOR THE MONTH...........0.37  DEPARTURE......+0.05                          ASOS...............0.36 TOTAL PRECIPITATION FOR THE YEAR...........39.79  DEPARTURE......-9.07                            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......-0.3 TOTAL SNOWFALL FOR THE MONTH................0.0  DEPARTURE......-0.5 TOTAL SNOWFALL FOR THE SEASON.............TRACE  DEPARTURE......-3.1  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  53/37/45/+9/..../000/00               25 SSE RMY 25 12/3 low since midnight is 47F; 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 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 RECORDS FOR DECEMBER 4 HIGH 67 IN 1998 LOW -4 IN 1940 PRECIP 1.87 INS. IN 1968 SNOWFALL 6.0 INS. IN 1907 PEAK GUST 73 MPH WNW IN 1980 TODAY'S REPORT PREPARED BY: Brian Fitzgerald