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

DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, NOVEMBER 10, 2012  
ALL TIMES ARE IN EASTERN STANDARD TIME

SUNNY, DRY AND COOL CONDITIONS TODAY...
 
There was a brilliant red sunrise at 6:29 AM this morning, and the 
low of 36 degrees was a couple of degrees warmer than yesterday's low
of 34.  Warmer air is beginning to return to New England as a warm
front approaches from the west. Today may be the first day to be
warmer than average since November 1st. 

 
Today's observations:
 
7 A.M.
Weather: Clear, few altocumulus SSE-N, hazy
Temperature: 38F; Dew Point: 33F; Wind: W at 13 kts
Sea-level pressure: 30.22 ins. Hg, rising   
Visibility: 30 miles, hazy 
6-hour min. temp: 36F
Snow cover: Trace
BHO SA 1155 CLR 30 235/38/33/2813/022/ FEW AC SSW-N HAZY/ 8/030 53027 
10038 20036

10 A.M.   
Weather: Clear, few altocumulus distant SE-SSW, hazy
Temperature: 47F; Dew Point: 31F; Wind: WNW at 10 kts,
Wind: Direction variable W-NNW
Sea-level pressure: 30.28 ins. Hg, rising   
Visibility: 40 miles, hazy
BHO SA 1455 CLR 40 254/47/31/3010/028/ FEW AC DSNT SE-SSW HAZY WND 
26V34/ 8/010 51019

  
 
WEATHER SUMMARY FOR FRIDAY, NOVEMBER 9 

TEMPERATURE (DEGREES F)
MAX.....51      NORMAL.....52
MIN.....34      NORMAL.....35
MEAN....43      NORMAL.....44
 
DEPARTURE FROM 30-YEAR NORMAL.....................-1
TOTAL DEPARTURE FOR THE MONTH....................-41 [-4.8 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............22    DEPARTURE........+1
TOTAL HEATING UNITS FOR THE MONTH...........220    DEPARTURE.......+42
TOTAL HEATING UNITS FOR THE SEASON..........628    DEPARTURE......-114
TOTAL HEATING UNITS LAST SEASON TO DATE.....579    DIFFERENCE......+49

PEAK GUST AND AVERAGE WIND SPEED (MPH) 
PEAK WIND GUST FOR YESTERDAY..............33 NW  AT  8:08 A.M. 
                   AERO...................35 NW  AT  8:08 A.M.
                   ASOS...................32 NW  AT  8:08 A.M.
                   DAVIS..................30 NW  AT  8:49 A.M. RMY 32
THE FASTEST MILE FOR YESTERDAY............23 NW  AT  6:18 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE.............23 NW  AT  6:20 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE............22 NW  AT  6:20 P.M.
AVERAGE WIND SPEED AND DIRECTION........15.7 NW
                   ASOS.................15.0  
                   DAVIS................13.9 NW [313 deg]
* Last of several occurrences

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00   DEPARTURE..........-0.16
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........1.06   DEPARTURE..........-0.34
                         ASOS..............1.11
TOTAL PRECIPITATION FOR THE YEAR..........34.26   DEPARTURE.........-10.91
                         ASOS.............34.29

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M.........0.0    DEPARTURE...........0.0
TOTAL SNOWFALL FOR THE MONTH...............4.0    DEPARTURE..........+3.7
TOTAL SNOWFALL FOR THE SEASON..............4.0    DEPARTURE..........+3.4

PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 2012 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane wind recording system gust
RMY:  RMY = R.M. Young wind gust recording system added 8/9/2011
TSTM: Thunderstorm day (thunder heard some time during day)
....: Data not yet available, records not finalized

11/1  56/42/49/+3/0.00/371/60         28 SW  AERO 28 MPH SW  RMY 27
11/2  51/41/46/0/0.02/000/00.         24 WNW AERO 22 MPH WNW RMY 22
11/3  52/37/45/-1/0.00/319/52         29 NW  AERO N/A        RMY 28 
11/4  52/34/43/-2/0.00/570/96         27 NW  AERO 25 MPH NW  RMY 26
11/5  45/28/37/-8/0.00/292/48         25 NW  AERO 25 MPH NW  RMY 25
11/6  40/25/33/-12/0.00/600/99        22 ENE AERO 20 MPH ENE RMY N/A 
11/7  42/29/36/-9/0.78/3.5/000/00     48 NNE AERO 52 MPH NNE RMY 51
11/8  36/29/33/-11/0.26/0.5/000/00    43 N   AERO 50 MPH N   RMY 44
11/9  51/34/43/-1/0.00/0.0/.../..     33 NW  AERO 35 MPH NW  RNY 32

11/10  morning low temp: 36F; the normal low is now 35F

DAILY RECORDS FOR NOVEMBER 2012
11/7 - NEW DAILY RECORD MAXIMUM SNOWFALL OF 3.5 INCHES;
       surpasses the previous record of 1.0 inch in 1967

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: Mike Iacono