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

DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, NOVEMBER 10, 2016  
ALL TIMES ARE IN EASTERN STANDARD TIME

PARTLY SUNNY SKIES WITH LIGHT NW WINDS

The cold front which passed yesterday left BHO with just a trace of
precip. measured at 7:00AM EST this morning.  The peak gust during the
passage was 22 MPH NNW.

Winds have remained fairly light and out of the W-NW today.  Dry
conditions continue with dew points in the upper 20s.  Skies were partly
sunny for the morning and early afternoon resulting in thin, broken
cirrus at 1:00PM.


7 A.M.
Weather: Few cumulus N-S, scattered cirrus
Temperature: 35F; Dew Point: 27F; Wind: NW at 9 kts
Sea-level pressure: 29.97 ins. Hg, rising steadily
Visibility: 70 miles, except 40 miles NE-S, distant fog NE-S
6-hr Max temp: 42F
6-hr Min temp: 34F
24-hr precip: Trace
BHO SA 1155 250 SCT 70 149/35/27/3109/997/ FEW CU N-S VSBY NE-S 40
DSNT FG NE-S/ 8/101 52011 10042 20034

10 A.M.
Weather: Few cumulus N-S, scattered cirrus
Temperature: 43F; Dew Point: 25F; Wind: WNW at 7 kts
Sea-level pressure: 29.95 ins. Hg, falling, then more quickly
Visibility: 70 miles
BHO SA 1455 250 SCT 70 142/43/25/3007/995/ FEW CU N-S/ 8/101 58007 

1 P.M.
Weather: Broken cirrus  
Temperature: 50F; Dew Point: 21F; Wind: WNW at 7 kts
Sea-level pressure: 29.88 ins. Hg, falling, then more quickly
Visibility: 70 miles
6-hr Max. temp: 50F
6-hr Min. temp: 35F
BHO SA 1755 E250 BKN 70 117/50/21/2907/988/ 8/001 58025 10050 20035

SUMMARY FOR WEDNESDAY, NOVEMBER 9, 2016
 
TEMPERATURE (DEGREES F)
MAX.....60   NORMAL.....52
MIN.....43   NORMAL.....35
MEAN....52   NORMAL.....44

DEPARTURE FROM 30-YEAR NORMAL........................+8
TOTAL DEPARTURE FOR THE MONTH.......................+26 [+2.7 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY...............0   DEPARTURE...........0
TOTAL COOLING UNITS FOR THE MONTH...............0   DEPARTURE...........0
TOTAL COOLING UNITS FOR THE SEASON............901   DEPARTURE........+299
TOTAL COOLING UNITS LAST SEASON TO DATE.......811   DIFFERENCE........+90 

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY..............13   DEPARTURE..........-8
TOTAL HEATING UNITS FOR THE MONTH.............153   DEPARTURE.........-26
TOTAL HEATING UNITS FOR THE SEASON............574   DEPARTURE........-168
TOTAL HEATING UNITS LAST SEASON TO DATE.......538   DIFFERENCE........+36

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY...................22 NNW AT 11:03 P.M.
                   ASOS........................23 N   AT 11:05 P.M.
                   DAVIS.......................21 NW  AT  9:53 P.M. RMY N/A
FASTEST MILE FOR YESTERDAY.....................15 NNW AT  9:56 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE..................16 N   AT  9:58 P.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE.................15 NNW AT  9:57 P.M.   
AVERAGE WIND SPEED AND DIRECTION..............8.9 NW
                   ASOS.......................9.0
                   DAVIS......................8.0 NW [305 Deg.]

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..........0.05  DEPARTURE......-1.35
                         ASOS..............0.07
TOTAL PRECIPITATION FOR THE YEAR..........34.41  DEPARTURE.....-10.76
                         ASOS.............34.77


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/.../..                 22 SSE AERO 22 S   RMY N/A
11/2  69/45/57/+11/0.00/.../..                24 SSW AERO 24 S   RMY 26
11/3  65/49/57/+11/0.01/.../..                38 W   AERO 41 W   RMY 38
11/4  56/35/46/+1/0.00/.../..                 26 NW  AERO 26 NW  RMY 30
11/5  55/32/44/-1/0.00/.../..                 24 W   AERO 23 W   RMY 24
11/6  49/39/44/-1/0.04/.../..                 23 N   AERO 23 N   RMY 23
11/7  46/33/40/-5/0.00/.../..                 21 N   AERO 21 N   RMY 20
11/8  64/36/50/+6/0.00/.../..                 17 W   AERO 15 SSW RMY N/A
11/9  60/43/52/+8/T/.../..                    22 NNW AERO 22 NW  RMY N/A

11/10 Low temp since midnight is 34F; normal low is now 35F

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

RECORDS FOR NOVEMBER 10
HIGH 75 IN 1931
LOW 20 IN 2004
PRECIP 2.11 INCHES IN 1888
SNOWFALL 2.2 IN 1987
PEAK GUST 83e S IN 1942

RECORDS FOR NOVEMBER 11
HIGH 68 IN 1984
LOW 17 IN 1956
PRECIP 1.14 INCHES IN 1991
SNOWFALL 2.5 IN 1986
PEAK GUST 64 NW IN 1962

TODAY'S REPORT PREPARED BY: Cecilia Borries-Strigle