BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, NOVEMBER 16, 2016  
ALL TIMES ARE IN EASTERN STANDARD TIME

LIGHT RAIN CONTINUES THROUGH EARLY MORNING MEASURING 1.27 IN. AT 7:00AM

Yesterday's rain continued through early this morning and finally ended
before the 10:00AM observation.  Periods of heavy rain between 3:00PM and
5:00PM helped to make the 24-hour precip. total 1.27 in.  The total for
the month is now 1.32 in, still 1.04 in. below normal for the month and
10.45 in. below normal for the year.

Yesterday's max. temperature of 57F occurred shortly before midnight.
Temperatures dropped past the 7:00AM observation to a low of 48F and
had only increased to a max. of 51F by 1:00PM.

7 A.M.
Weather: Overcast stratus, patches of fog drifting below summit
Temperature: 49F; Dew Point: 49F; Wind: S at 13G18 kts
Sea-level pressure: 29.65 ins. Hg, falling then rising
Visibility: 40 miles, except 10 miles NW-NNE, 3 miles NNE-E,
and 20 miles SW-WNW
6-hr Max temp: 56F
6-hr Min temp: 49F
24-hr precip: 1.27 in.
BHO SA 1155 E3 OVC 40 041/49/49/1913G18/965/ VSBY NW-NNE 10 VSBY NNE-E 3
VSBY SW-WNW 20 PTCHS FG DRFTG BLO SMT/ 8/6// 55001 MANUAL 70127
ASOS 70132 10056 20049

10 A.M.
Weather: Overcast stratus
Temperature: 49F; Dew Point: 47F; Wind: SSW at 11G20 kts
Sea-level pressure: 29.67 ins. Hg, rising, then more quickly
Visibility: 30 miles, except 60 miles ENE-SSW
3-hr precip: Trace
BHO SA 1455 E6 OVC 30 048/49/47/2211G20/967/ VSBY ENE-SSW 60/
8/6// 53007 MANUAL 600// 

1 P.M.
Weather: Overcast stratus
Temperature: 50F; Dew Point: 45F; Wind: WSW at 10G18 kts
Sea-level pressure: 29.66 ins. Hg, falling then steady
Visibility: 70 miles
6-hr Max. temp: 51F
6-hr Min. temp: 48F
6-hr precip: Trace
BHO SA 1755 E15 OVC 70 045/50/45/2410G18/966/ 8/6// 55003
MANUAL 600// 10051 20048

SUMMARY FOR TUESDAY, NOVEMBER 15, 2016
 
TEMPERATURE (DEGREES F)
MAX.....57   NORMAL.....50
MIN.....46   NORMAL.....34
MEAN....52   NORMAL.....42

DEPARTURE FROM 30-YEAR NORMAL.......................+10
TOTAL DEPARTURE FOR THE MONTH.......................+53 [+3.3 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY..............13   DEPARTURE.........-10
TOTAL HEATING UNITS FOR THE MONTH.............259   DEPARTURE.........-53
TOTAL HEATING UNITS FOR THE SEASON............680   DEPARTURE........-195
TOTAL HEATING UNITS LAST SEASON TO DATE.......656   DIFFERENCE........+24

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY...................32 ENE AT  5:45 P.M. 
                   ASOS........................35 ENE AT  5:46 P.M.
                   DAVIS.......................33 ENE AT  5:46 P.M. RMY 35
FASTEST MILE FOR YESTERDAY.....................24 ENE AT  5:45 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE..................23 ENE AT  5:47 P.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE.................22 NE  AT  4:39 P.M.   
AVERAGE WIND SPEED AND DIRECTION.............11.5 NE
                   ASOS......................12.1
                   DAVIS.....................10.3 ENE [060 Deg.]
* Last of several occurrences 

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....1.27  DEPARTURE......+1.11
                         ASOS..............1.32
TOTAL PRECIPITATION FOR THE MONTH..........1.32  DEPARTURE......-1.04
                         ASOS..............1.39
TOTAL PRECIPITATION FOR THE YEAR..........35.68  DEPARTURE.....-10.45
                         ASOS.............36.09


PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 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

11/1  55/29/42/-4/0.00/600/97           22 SSE AERO 22 S   RMY N/A
11/2  69/45/57/+11/0.00/425/69          24 SSW AERO 24 S   RMY 26
11/3  65/49/57/+11/0.01/025/04          38 W   AERO 41 W   RMY 38
11/4  56/35/46/+1/0.00/587/96           26 NW  AERO 26 NW  RMY 30
11/5  55/32/44/-1/0.00/250/41           24 W   AERO 23 W   RMY 24
11/6  49/39/44/-1/0.04/091/15           23 N   AERO 23 N   RMY 23
11/7  46/33/40/-5/0.00/423/70           21 N   AERO 21 N   RMY 20
11/8  64/36/50/+6/0.00/590/98           17 W   AERO 15 SSW RMY N/A
11/9  60/43/52/+8/T/090/15              22 NNW AERO 22 NW  RMY N/A
11/10 52/34/43/-1/0.00/507/85           28 SSW AERO 30 SSW RMY 31
11/11 59/35/47/+4/0.00/565/95           39 NW  AERO 44 NW  RMY 45
11/12 47/31/39/-4/0.00/.../..           38 NW  AERO 44 NW  RMY 23    
11/13 59/37/48/+5/0.00/.../..           23 W   AERO 22 W   RMY N/A
11/14 66/44/55/+13/0.00/.../..          24 WSW AERO 22 WSW RMY 25
11/15 57/46/52/+10/..../.../..          32 ENE AERO 33 ENE RMY 35

11/16 Low temp since midnight is 48F; normal low is now 34F

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR NOVEMBER 16
HIGH 73 IN 1927
LOW 8 IN 1933
PRECIP 2.25 INCHES IN 1981
SNOWFALL 2.0 IN 1913
PEAK GUST 78 S IN 1989

RECORDS FOR NOVEMBER 17
HIGH 74 IN 1928
LOW 10 IN 1924
PRECIP 1.92 INCHES IN 1920
SNOWFALL 1.0 INS IN 1980
PEAK GUST 61 SSE IN 2006
 
TODAY'S REPORT PREPARED BY: Cecilia Borries-Strigle