BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, DECEMBER 1, 2015   ALL TIMES ARE IN EASTERN STANDARD TIME NOVEMBER COMES TO AN END, SIGNIFICANTLY DRIER THAN NORMAL AND SEVENTH WARMEST ON RECORD The month came to a close overnight with temperatures dipping to a low of 30F. Clouds have filtered in from the south this morning ahead of showers forecasted for this afternoon. By the 1:00 PM EST observation a brief rain shower had brought a trace of new rain, with rain showers visible to the W. Skies had darkened with a thick overcast of altostratus overspreading the region. November precipitation was well below normal, with a 2.18 inch deficit. Another dry month has added to the annual deficit with now stands at 9.12 inches below normal. A trace of snow that fell on the last day of the month was not enough to reverse the small snow deficit for the month of 2.3 inches below normal  and 2.6 inches below normal for the season. November 2015 also made the top ten warmest Novembers on  record here at BHO, with a 24-hour corrected average monthly temperature of 46.1F, making it the 7th warmest November since records began in 1885. 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: N/A Astronomical total minutes:   N/A      Today's Observations: 7 A.M. Weather: Scattered altocumulus, scattered cirrus, few stratocumulus distant offshore NE-ESE, inversion present below summit in all directions Temperature: 33F; Dew Point: 28F; Wind: ESE at 11 kts  Sea-level pressure: 30.36 ins. Hg, falling, then more quickly  Visibility: 40 miles, hazy below inversion 6-hr Max temp: 33F  6-hr Min temp: 30F 24-hr precip: Trace 24-hr snowfall: Trace  BHO SA 1155 100 SCT 250 SCT 40 280/33/28/1211/036/  FEW SC DSNT OFFSHR NE-ESE INVSN PRSNT BLO SMT ALQDS HAZY/  8/531 58006 10033 20030 10 A.M. Weather: Broken altocumulus, overcast altostratus, few stratocumulus distant N-ESE, inversion below the summit SW-N Temperature: 38F; Dew Point: 31F; Wind: ESE at 9 kts, Sea-level pressure: 30.35 ins.Hg, about the same    Visibility: 40 miles, hazy BHO SA 1455 E100 BKN 140 OVC 40 279/38/31/1209/035/ VIRGA DSNT SW FEW SC DSNT N-ESE INVSN BLO SMT SW-N HAZY/ 8/51/ 58001   1 P.M. Weather: Broken altocumulus, overcast altostratus, showers distant W, few stratocumulus SW-SE Temperature: 41F; Dew Point: 32F; Wind: ESE at 9 kts, Sea-level pressure: 30.31 ins. Hg, steady, then falling Visibility: 40 miles, except 30 miles W, showers 6-hr max. temp: 41F 6-hr min. temp: 33F 6-hr precip: trace BHO SA 1755 E70 BKN 100 OVC 40 263/41/32/1209/031/  VSBY W 30 MI SHWRS DSNT W FEW SC SW-SE/ 8/52/ 58016  MANUAL 6000/ 10041 20033 SUMMARY FOR MONDAY, NOVEMBER 30, 2015     TEMPERATURE (DEGREES F) MAX.....37   NORMAL.....45 MIN.....27   NORMAL.....29  MEAN....32   NORMAL.....37   DEPARTURE FROM 30-YEAR NORMAL......................-5 TOTAL DEPARTURE FOR THE MONTH....................+150  [+4.8 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............33   DEPARTURE..........+5 TOTAL HEATING UNITS FOR THE MONTH.............548   DEPARTURE........-150 TOTAL HEATING UNITS FOR THE SEASON...........1002   DEPARTURE........-259 TOTAL HEATING UNITS LAST SEASON TO DATE......1159   DIFFERENCE.......-157   PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................17 S    AT   9:42 P.M.                     ASOS........................17 S    AT  11:28 P.M.                            DAVIS.......................17 S    AT   8:53 P.M. RMY 18 FASTEST MILE FOR YESTERDAY.....................13 S    AT   9:41 P.M.       MAXIMUM 2-MINUTE ASOS AVERAGE..................14 S    AT  11:30 P.M.              MAXIMUM 2-MINUTE DAVIS AVERAGE.................13 S    AT  11:29 P.M.              AVERAGE WIND SPEED AND DIRECTION................7.9 N                    ASOS.........................8.8                          DAVIS........................7.2 E [081 Deg.]     * Last of several occurrences  PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....TRACE  DEPARTURE......-0.16                          ASOS...............0.00 TOTAL PRECIPITATION FOR THE MONTH...........2.59  DEPARTURE......-2.18                          ASOS...............2.61 TOTAL PRECIPITATION FOR THE YEAR...........39.42  DEPARTURE......-9.12                            ASOS................N/A *** *** ASOS annual total not available due to erroneous readings PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 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/.../..              33 S   RMY 35  11/27 63/48/54/+18/0.00/.../..              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/.../..               17 NNW RMY 21 11/30 37/27/32/-5/T/T/.../..                17 S   RMY 18 12/1 low since midnight is 30F; normal low is now 29F   DAILY RECORDS FOR NOVEMBER 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 1 HIGH 70 IN 2001 LOW 3 IN 1887 PRECIP 1.46 INS. IN 1917 SNOW 2.0 INS. IN 1902 PEAK GUST 72 MPH NW IN 1964 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 TODAY'S REPORT PREPARED BY: Brian Fitzgerald