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

DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, NOVEMBER 9, 2016  
ALL TIMES ARE IN EASTERN STANDARD TIME

APPROACHING COLD FRONT BRINGS CLOUDY SKIES AND RISING DEW POINTS,
NO PRECIP. BY 1:00PM EST

Skies were mostly cloudy all morning and became overcast by early
afternoon. Despite the cloud layer, no rain has been measured yet today.
Visibility steadily decreased to just 25 miles by 1:00PM.

Yesterday's warmer than average temps. fell to an overnight low of only
48F and helped temps. increase to a max. of 60F by 1:00PM.  Dew points
rose into the 40s today with the more humid air coming into the region.


7 A.M.
Weather: Broken altocumulus
Temperature: 51F; Dew Point: 29F; Wind: WNW at 7 kts
Sea-level pressure: 29.81 ins. Hg, falling then rising
Visibility: 40 miles
6-hr Max temp: 52F
6-hr Min temp: 49F
24-hr precip: 0.00 in.
BHO SA 1155 E180 BKN 40 094/51/29/2907/981/ 8/030 56002 10052 20049

10 A.M.
Weather: Broken altocumulus, scattered cirrus
Temperature: 57F; Dew Point: 35F; Wind: NW at 7 kts
Sea-level pressure: 29.79 ins. Hg, falling, then more quickly
Visibility: 35 miles, hazy
BHO SA 1455 E200 BKN SCT 250 088/57/35/3207/979/ HAZY/ 8/031 58006

1 P.M.
Weather: Broken stratocumulus, overcast altocumulus
Temperature: 59F; Dew Point: 40F; Wind: W at 8 kts
Sea-level pressure: 29.77 ins. Hg, falling, then more quickly
Visibility: 25 miles, hazy
6-hr Max. temp: 60F
6-hr Min. temp: 51F
BHO SA 1755 E69 BKN 140 OVC 25 080/59/40/2807/977/ HAZY/
8/53/ 58008 10060 20051

SUMMARY FOR TUESDAY, NOVEMBER 8, 2016
 
TEMPERATURE (DEGREES F)
MAX.....64   NORMAL.....53
MIN.....36   NORMAL.....36
MEAN....50   NORMAL.....44

DEPARTURE FROM 30-YEAR NORMAL........................+6
TOTAL DEPARTURE FOR THE MONTH.......................+18 [+2.1 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..............15   DEPARTURE..........-6
TOTAL HEATING UNITS FOR THE MONTH.............140   DEPARTURE.........-18
TOTAL HEATING UNITS FOR THE SEASON............561   DEPARTURE........-160
TOTAL HEATING UNITS LAST SEASON TO DATE.......522   DIFFERENCE........+39

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY...................17 W   AT 12:01 A.M.
                   ASOS........................17 W   AT 12:01 A.M.
                   DAVIS.......................16 SSW AT  7:34 P.M. RMY N/A
FASTEST MILE FOR YESTERDAY.....................13 NW  AT  6:30 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE..................14 NNW AT  6:35 A.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE.................12 WSW AT  7:37 P.M.   
AVERAGE WIND SPEED AND DIRECTION..............7.7 NW
                   ASOS.......................7.9
                   DAVIS......................7.2 W [280 Deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.15
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........0.05  DEPARTURE......-1.19
                         ASOS..............0.07
TOTAL PRECIPITATION FOR THE YEAR..........34.41  DEPARTURE.....-10.60
                         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 Low temp since midnight is 48F; 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 9
HIGH 72 IN 1975
LOW 17 IN 1971
PRECIP 1.37 INCHES IN 1969
SNOWFALL 0.2 IN 1921,1923
PEAK GUST 73e S IN 1943

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

TODAY'S REPORT PREPARED BY: Cecilia Borries-Strigle