BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, NOVEMBER 6, 2007 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
RAINFALL TOTAL REACHES WELL OVER ONE HALF INCH
 
A mid-morning downpour with close to 0.4 inch in one 
hour between 10 and 11 a.m. contributed much of the 
0.65 inch of rain which had fallen through 2 p.m. Winds 
shifted from SSE to SW with the passage of a line 
of heavy rain showers. Before the line passed our 
peak wind gust reached 35 MPH SSE at 9:49 A.M. 
 
Today's observations:
 
7 A.M.   
Weather: Overcast with low clouds, stratus fractus, stratocumulus 
and very light rain shower   
Temperature: 52F, Dew point: 44F, Wind: SE at 17G26 kts
Wind: Peak wind SE @ 28 kts at 39 past the hour  
Sea-level pressure: 29.78 inches Hg, falling 
Visibility: 15 miles, 10 miles W and 25 miles SE, rain to the SW-NW
6-hour min temp: 44F
24-hour precipitation: trace 
BHO SA 1155 E26 BKN 36 BKN 45 OVC 15RW- 086/52/44/1417G26/978/
CIG RGD FEW MDT CUFRM TOPS HIER AC CLDS VSBL VSBY LWR PCPN SW-NW 
VSBY W 10 SE 20 PK WND 1429/39/ RB52 PCPN VRY LGT/ 
8/77/ 55017 MANUAL 6000/ 10052 20044
 
10 A.M.   
Weather: Low overcast, stratus fractus, nimbostratus,
light rain occurring.... 
Temperature: 52F, Dew point: 49F, Wind: SSE at 18G30 kts  
Wind: Peak wind 30 kts from SSE @ 48 past the hour  
Sea-level pressure: 29.68 inches Hg, falling 
Visibility: 6 miles, 8 miles NE and lowering in all directions   
3-hourly rainfall: 0.08 inch
BHO SA 1455 15 SCT E30 BKN 55 OVC 6R-F 052/52/49/1518G30/968/ 
CIG RGD VSBY NE 8 LWRG ALQDS/ 8/72/ 57034 MANUAL 6008/ ASOS 60008 
 
1 P.M.   
Weather: Overcast nimbostratus few lower stratus/stratocumulus
Light rain and fog   
Temperature: 47F, Dew point: 47F, Wind: S at 12 kts
Sea-level pressure: 29.67 inches Hg, rising 
Visibility: 5 miles, light raind and fog  
6-hourly max. temp: 53F 
6-hourly rainfall: 0.65 inch 
BHO SA 1755 E42 OVC 5R-F 046/47/47/1912/967/ FEW STFRA/SC AND FEW
STRA DRFTG BLO SMT/ 55006 8/72/ ASOS 60068 MANUAL 6065/ 10053 20047  
   
WEATHER SUMMARY FOR MONDAY, NOVEMBER 5
 
TEMPERATURE (DEGREES F)
MAX.....56    NORMAL.....53 
MIN.....40    NORMAL.....37
MEAN....48    NORMAL.....45
DEPARTURE FROM 30-YEAR NORMAL...........+3 
TOTAL DEPARTURE FOR THE MONTH...........+2 [+0.8 DEGREES/DAY]  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............29 SE  AT 10:27 P.M.
                   AEROVANE.............29 SE  AT 10:27 P.M. 
                   ASOS.................26 SE  AT 10:27 P.M.  
                   DAVIS................31 SE  AT  9:05 P.M. 
FASTEST MILE FOR YESTERDAY..............22 SE  AT 10:46 P.M. *  
MAXIMUM 2-MINUTE ASOS AVERAGE...........20 SE  AT 10:47 P.M.           
MAXIMUM 2-MINUTE DAVIS AVERAGE..........24 SE  AT 10:44 P.M.         
AVERAGE WIND SPEED AND DIRECTION...... 9.1 SE  
                   ASOS............... 8.7   
                   DAVIS.............. 9.3 ESE [110 deg]
* last of several occurrences...
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M...trace  DEPARTURE.....-0.15
                         ASOS..............0.00 
TOTAL PRECIPITATION FOR NOVEMBER...........0.95  DEPARTURE.....+0.20 
                         ASOS..............0.94    
TOTAL PRECIPITATION FOR THE YEAR..........36.49  DEPARTURE.....-6.28
                         ASOS.............35.77  
 
PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 2007...CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
 
AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available
 
11/1  66/42/54/+7/0/050/08     37 S
11/2  50/37/44/-2/0/.../..     29 NE
11/3  46/40/43/-3/0.95/000/00  51 N  Aero 50 MPH NNW  
11/4  54/37/46/0/0/.../..      33 W  Aero 33 MPH W    
11/5  56/40/48/+3/0/.../..     29 SE Aero 29 MPH SE
 
11/6  morning low temp. 44F; normal low is now 37F 
      rainfall thru 7 a.m. is a trace       
 
NEW DAILY RECORDS FOR NOVEMBER 2007:
 
None to date.
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR NOVEMBER 6
HIGH 71 IN 1959
LOW 22 IN 1951
PRECIP 1.72 INCHES IN 1907
SNOWFALL 8.0 IN 1894
PEAK GUST 63 W IN 1973
 
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
 
TODAY'S REPORT PREPARED By: Robert Skilling