BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, NOVEMBER 12, 2015 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
THE RAINSTORM TOTAL FOR NOVEMBER 10-11 WAS 0.71 INCH
THROUGH EARLY THIS AFTERNOON ONLY 0.02 OF RAIN
 
The amounts for the rainstorm 10-11 November increased
dramatically to our east with 1.99 inches recorded at
our Hingham coop station 10 miles east of Blue Hill.
Over 3 inches was reported on parts of Cape Cod.
 
Today's Observations:
 
7 A.M.
Weather: Overcast stratus, thin fog
Temperature: 43F; Dew Point: 43F; Wind: Calm
Sea-level pressure: 29.97 ins. Hg, rising slightly
Visibility: 6 miles in thin fog
6-hr Max temp: 43F
6-hr Min temp: 42F
24-hr precip: 0.30 in.
BHO SA 1155 E6 OVC 6F 148/43/43/0000/997/ 8/6// 53003 ASOS 70030
MANUAL 70030 10043 20042
 
10 A.M.
Weather: Heavy fog, some light drizzle began/ended past hour
Temperature: 45F; Dew Point 45F; Wind: SSE at 5 kts,
Sea-level pressure: 29.94 ins. Hg, falling steadily
Visibility: 1/16 dense fog
3-hr precip: trace.
BHO SA 1455 W2X 1/16F 139/45/45/1605/994/ L-EXX/ 8//// 58009
MANUAL 6000/
 
1 P.M.
Weather: Heavy fog, rain ended past hour
Temperature: 46F; Dew Point 46F; Wind: S at 9 kts 
Sea-level pressure: 29.85 ins. Hg, falling then rising slightly 
but lower than 3 hours ago.  
Visibility: 1/16 mile, fog
6-hr max. temp. 46F 
6-hr min. temp. 43F
6-hr precip: 0.01 in. 
BHO SA 1755 W2X 1/16F 107/46/46/1709/985/ REUKN/ 8//// 55032
ASOS 60002 MANUAL 6001/ 10046 20043
 
SUMMARY FOR WEDNESDAY, NOVEMBER 11, 2015
  
TEMPERATURE (DEGREES F)
MAX.....48   NORMAL.....52
MIN.....43   NORMAL.....35
MEAN....46   NORMAL.....43

DEPARTURE FROM 30-YEAR NORMAL......................+3
TOTAL DEPARTURE FOR THE MONTH....................+104  [+9.3 DEGREES/DAY]
 
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY..............19   DEPARTURE..........-3
TOTAL HEATING UNITS FOR THE MONTH.............100   DEPARTURE........-103
TOTAL HEATING UNITS FOR THE SEASON............573   DEPARTURE........-212
TOTAL HEATING UNITS LAST SEASON TO DATE.......634   DIFFERENCE........-61

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY...................41 NE  AT   4:08 A,M. *
                   ASOS........................44 NE  AT   4:08 A.M.       
                   DAVIS.......................41 NE  AT   4:08 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY.....................27 NE  AT   4:09 A.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE..................28 NE  AT   4:11 A.M.        
MAXIMUM 2-MINUTE DAVIS AVERAGE.................26 NE  AT   4:11 A.M.        
AVERAGE WIND SPEED AND DIRECTION.............16.0 NNE
                   ASOS......................14.9     
                   DAVIS.....................13.9 NNE [030 Deg.]
* Last of several occurrences
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.....0.30  DEPARTURE.....+0.14
                         ASOS...............0.30
TOTAL PRECIPITATION FOR THE MONTH...........0.71  DEPARTURE.....-1.01
                         ASOS...............0.70
TOTAL PRECIPITATION FOR THE YEAR...........37.54  DEPARTURE.....-7.95 
                         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/.../..                  30 SSW RMY 31 
11/2  62/47/55/+9/0.00/.../..               24 W   RMY N/A
11/3  71/44/58/+12/0.00/.../..              25 W   RMY 25
11/4  66/49/58/+13/0.00/.../..              22 SSW RMY N/A
11/5  72/51/62/+17/0.00/.../..              31 SW  RMY 36 
11/6  71/60/66/+21/0.00/.../..              35 SSW RMY 38
11/7  64/46/55/+10/0.00/.../..              33 WNW RMY 35
11/8  54/39/47/+3/0.00/.../..               26 NW  RMY 30
11/9  59/38/49/+5/0.00/.../..               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 low since midnight is 42F; normal low is now 35F 
 
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 NOVEMBER 12
HIGH 74 IN 1909
LOW 18 IN 1926
PRECIP 3.25 INCHES IN 1947
SNOWFALL 8.1 INCHES IN 1987
PEAK GUST 79e MPH NW IN 1947
 
RECORDS FOR NOVEMBER 13
HIGH 66 IN 1931, 1964
LOW 14 IN 1920
PRECIP 1.96 INCHES IN 1982
SNOWFALL 4.6 IN 2004
PEAK GUST 77 S IN 1982
 
TODAY'S REPORT PREPARED BY: Robert Skilling