BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, NOVEMBER 7, 2012 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
LIGHT RAIN BEGAN DURING THE NOON HOUR
GUSTY NE WINDS OVER 40 MPH TO PEAK OF 46 MPH
MUCH COLDER THAN NORMAL TEMPERATURES
SNOW MIXING WITH RAIN EARLY AFTERNOON
 
After an overcast sky this morning light rain began just
after noon. The rain became mixed with snow by 1:30 P.M. as
temperatures fell to 35F. 
Northeast winds began increasing steadily after 1 A.M.
this morning and gusts began exceeding 40 MPH shortly
after 7 A.M. with our peak of 46 MPH first being recorded
at 7:24 A.M. By early afternoon gusts of 40 to 45 MPH
from the NNE were frequently being recorded.
The high temperature struggled up to 42F after an early
morning low of 35F, so it's another cold early November
day after yesterday averaged 12 degrees below normal
with an afternoon high of only 40F.
 
Today's observations:
 
7 A.M.
Weather: Overcast stratocumulus, ceiling ragged, bright spots in
the overcast along distant N horizon
Temperature: 41F; Dew Point: 32F; Wind: NE at 20G33 kts,
Wind: Peak wind NE @ 35 kts @ 6:31 A.M.
Wind: Direction variable N-E 
Sea-level pressure: 30.02 ins. Hg, falling then more slowly  
Visibility: 40 miles, except 35 miles NE-SE, 50 miles WNW
6-hour min. temp: 37F
BHO SA 1155 E30 OVC 40 167/41/32/0520G33/002/ CIG RGD BRGHT SKY
ALG HRZN DSNT N VSBY WNW 50 NE-SE 35 DSNT HZ PK WND 0435/31/ WND 36V10
8/5// 56021 10041 20037
 
10 A.M.  
Weather: Broken stratocumulus, overcast stratocumulus,
ceiling ragged, bright spots in overcast along distant
NNW-N horizon, virga E-S
Temperature: 41F; Dew Point: 34F; Wind: NE at 20G40 kts,
Wind: Peak wind 40 kts NE @ 9:50 A.M.,
Wind: Direction variable N-E
Sea-level pressure: 29.97 ins. Hg, falling then more rapidly  
Visibility: 25 miles, except 20 miles NNE-S, 45 miles WNW      
BHO SA 1455 E24 BKN 30 OVC 25 150/41/34/0520G40/997/ CIG RGD
HZ INCRSNG VIRGA DSNT E-S VSBY NNE-S 20 WNW 45 PK WND 0440/50/
WND 36V09/ 8/5// 58017
 
1 P.M.   
Weather: Overcast nimbostratus, light rain, rain began 12:15 P.M. 
Temperature: 38F; Dew Point: 34F; Wind: NNE at 21G38 kts,
Wind: Peak wind 39 kts NNE @ 12:25 P.M.
Wind: Direction variable N-E 
Sea-level pressure: 29.89 ins. Hg, falling then more rapidly  
Visibility: 8 miles, except 9 miles N, visibility lowering all quadrants 
6-hour max. temp: 42F
6-hour min. temp: 38F
6-hour precip: T  
BHO SA 1755 E16 OVC 8R- 123/38/34/0321G38/989/ VSBY N 9 LWRG
ALQDS PK WND 0339/25/ WND 35V08 RB15/ 8/02/ 58027 MANUAL 6000/
10042 20038
 
WEATHER SUMMARY FOR TUESDAY, NOVEMBER 6, ELECTION DAY
 
TEMPERATURE (DEGREES F)
MAX.....40      NORMAL.....53
MIN.....25      NORMAL.....36
MEAN....33      NORMAL.....45
 
DEPARTURE FROM 30-YEAR NORMAL....................-12
TOTAL DEPARTURE FOR THE MONTH....................-20 [-3.5 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............32    DEPARTURE.......+12
TOTAL HEATING UNITS FOR THE MONTH...........137    DEPARTURE.......+21
TOTAL HEATING UNITS FOR THE SEASON..........545    DEPARTURE......-135
TOTAL HEATING UNITS LAST SEASON TO DATE.....553    DIFFERENCE.......-8
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY.............22 ENE AT 11:55 P.M. *
                   AERO..................20 ENE AT 11:08 P.M.
                   ASOS..................21 ENE AT 11:08 P.M.
                   DAVIS.................19 NE  AT 10:38 P.M.
THE FASTEST MILE FOR YESTERDAY...........16 ENE AT 11:56 P.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE............16 ENE AT 11:09 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE...........14 ENE AT 11:09 P.M.  
AVERAGE WIND SPEED AND DIRECTION....... 7.6 NW
                   ASOS.................7.5 
                   DAVIS................6.9 N [360 deg]
* last of several occurrences....
 
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..........0.02   DEPARTURE..........-0.91
                         ASOS..............0.01
TOTAL PRECIPITATION FOR THE YEAR..........33.22   DEPARTURE.........-11.48
                         ASOS.............33.19
 
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0    DEPARTURE...........0.0
TOTAL SNOWFALL FOR THE MONTH................0.0    DEPARTURE..........-0.2
TOTAL SNOWFALL FOR THE SEASON...............0.0    DEPARTURE..........-0.5
 
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/.../..         28 SW  AERO 28 MPH SW  RMY 27
11/2  51/41/46/0/0.02/.../..          24 WNW AERO 22 MPH WNW RMY 22
11/3  52/37/45/-1/0.00/.../..         29 NW  AERO N/A        RMY 28
11/4  52/34/43/-2/0.00/.../..         27 NW  AERO 25 MPH NW  RMY 26
11/5  45/28/37/-8/0.00/.../..         25 NW  AERO 25 MPH NW  RMY 25
11/6  40/25/33/-12/0.00/.../..        22 ENE AERO 20 MPH ENE RMY N/A
 
morning low temp: 35F; the normal low is now 36F
 
DAILY RECORDS FOR NOVEMBER 2012
None so far.
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR NOVEMBER 7
HIGH 75 IN 1938
LOW 21 IN 1930
PRECIP 2.02 INCHES IN 1953
SNOWFALL 1.0 IN 1967
PEAK GUST 69e ENE IN 1953
 
RECORDS FOR NOVEMBER 8
HIGH 72 IN 1938
LOW 20 IN 1921
PRECIP 2.24 INCHES IN 1972
SNOWFALL 4.0 IN 1894
PEAK GUST 72e SE IN 1947
 
TODAY'S REPORT PREPARED BY: Robert Skilling