BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, NOVEMBER 14, 2008 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
FOGGED IN ALL DAY HERE AT THE SUMMIT
VERY MILD TEMPERATURES NEARLY UP TO 60F  
VERY LITTLE RAINFALL AND LOW WIND SPEEDS
 
Low stratus clouds settled onto the summit early
this morning and visibility has been close to
1/16 mile in fog all day.  Temperatures and dew
points rose to a high of 59F by noon while our
low temperature is 49F back at midnight. 
Precipitation has been quite light and in the
form of drizzle today. Winds have been from
east-southeast veering to southwest early this
afternoon with speeds of 10 kts and lower.
 
Today's observations:
 
7 A.M.
Weather: Obscurement with heavy fog and very light
drizzle, intermittent light rain past hour 
Temperature: 53F, Dew point: 53F, Wind: ESE at 11 kts,
Sea-level pressure: 30.00 inches Hg, falling
Visibility: 1/16 very light drizzle, heavy fog
6-hourly minimum temperature: 50F
24-hour rainfall: 0.10
BHO SA 1155 W2 X 1/16L-F 160/53/53/1111/000/ PCPN VRY LGT/
8//// 58006 MANUAL 6005/ ASOS 60005 MANUAL 70010
ASOS 70010 10053 20050
 
10 A.M.
Weather: Obscurement with heavy fog, very light drizzle occurring 
Temperature: 57F, Dew point: 57F, Wind: SE at 12 kts
Sea-level pressure: 29.98 inches Hg, falling
Visibility: 1/8 variable to 1/16 mile, fog, very light drizzle
3-hourly precip: trace
BHO SA 1455 W2 X 1/8VL-F 154/57/57/1312/998/
VSBY 1/8V1/16 PCPN VRY LGT/ 8//// 56006 ASOS 60001 MANUAL 6000/
   
1 P.M.
Weather: Obscurement with heavy fog
Temperature: 57F, Dew point: 57F, Wind: SSW at 4 kts,
Sea-level pressure: 29.96 inches Hg, falling
Visibility: 1/16 mile 
6-hour max. temp: 59F
6-hour precip: trace
BHO SA 1755 W2 X 1/16F 147/57/57/2104/996/
8//// 56007 ASOS 60001 MANUAL 6000/ 10059 20053 
 
WEATHER SUMMARY FOR THURSDAY, NOVEMBER 13
 
TEMPERATURE (DEGREES F)
MAX.....49    NORMAL.....50
MIN.....36    NORMAL.....35
MEAN....43    NORMAL.....43
 
DEPARTURE FROM 30-YEAR NORMAL.............. 0
TOTAL DEPARTURE FOR THE MONTH.............+40 [+2.9 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............22  DEPARTURE......... 0
TOTAL HEATING UNITS FOR THE MONTH...........224  DEPARTURE........-41
TOTAL HEATING UNITS FOR THE SEASON..........766  DEPARTURE........-90
TOTAL HEATING UNITS LAST SEASON TO DATE.....645  DIFFERENCE......+121 
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............35 ESE AT  4:28 P.M. *    
                   AEROVANE.............30 SSE AT  4:42 P.M. *      
                   ASOS.................31 ESE AT  4:28 P.M.      
                   DAVIS................33 ESE AT  4:28 P.M.    
FASTEST MILE FOR YESTERDAY..............26 ESE AT  4:28 P.M.      
MAXIMUM 2-MINUTE ASOS AVERAGE...........24 ESE AT  4:28 P.M.    
MAXIMUM 2-MINUTE DAVIS AVERAGE..........25 ESE AT  4:28 P.M.     
                   AVERAGE............ 8.1 ESE
                   ASOS............... 7.6 
                   DAVIS.............. 8.1 ESE [120 deg]
* last of several occurrences...
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.10    DEPARTURE.......-0.06
                         ASOS..............0.10
TOTAL PRECIPITATION FOR THE MONTH..........1.23    DEPARTURE.......-0.77
                         ASOS..............1.22
TOTAL PRECIPITATION FOR THE YEAR..........46.07    DEPARTURE.......+2.21
                         ASOS.............48.64 #
# Includes erroneous ASOS precipitation data on 2/13/08.
 
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M........TRACE* DEPARTURE.....-0.1
TOTAL SNOWFALL FOR THE MONTH................0.0  DEPARTURE.....-1.0
TOTAL SNOWFALL FOR THE SEASON...............0.0  DEPARTURE.....-1.2
 
PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 2008 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane recording wind system gust when significant
TSTM: Thunderstorm day (thunder heard some time during day)
....: Data not yet available, records not finalized
 
11/1  58/36/47/0/0.00/266/43     22 SW
11/2  43/29/36/-10/0.00/598/97   25 NW
11/3  50/32/41/-5/0.00/000/00    23 S
11/4  65/45/55/+9/0.00/409/67    24 SSW
11/5  65/52/59/+14/0.07/018/03   28 NE 
11/6  55/52/54/+9/0.93/000/00    35 NNE
11/7  57/52/55/+10/0.05/000/00   24 N
11/8  59/55/57/+13/0.07/000/00   32 SE
11/9  57/45/51/+7/0.01/.../..    35 WSW 
11/10 52/34/43/-1/T/.../..       32 W
11/11 47/31/39/-4/0.00/.../..    33 W
11/12 46/35/41/-2/0.00/.../..    17 W
11/13 49/36/43/0/0.05/T/000/00 * 35 ESE
 
* trace of ice pellets (sleet)
 
11/14 morning low temp. 49F (since midnight); our normal low is 35F
 
NEW DAILY RECORDS FOR NOVEMBER
 
None...
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR NOVEMBER 14
HIGH 70 IN 1993
LOW 11 IN 1905
PRECIP 1.87 IN 1972
SNOWFALL 3.5 IN 1997
PEAK GUST 63 W IN 2003
 
RECORDS FOR NOVEMBER 15
HIGH 74 IN 1993
LOW 15 IN 1933
PRECIP 1.66 INCHES IN 1981
SNOWFALL 4.0 IN 1967
PEAK GUST 58 NNW IN 1962// NW IN 1967
 
TODAY'S REPORT PREPARED By: Robert Skilling