BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, NOVEMBER 5, 2007 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
FROSTY TEMPERATURE IN THE 20'S AROUND THE LOCAL AREA
LOW TEMPERATURE OF 40 DEGREES ON THE SUMMIT THIS MORNING
 
Clear sky, dry air and light winds overnight last night 
led to frosty cold early morning temperatures.  Norwood 
Airport, just to our southwest, was down to 26 degrees, 
Plymouth had 28, Taunton 30, and New Bedford 28. At
Boston the low was 39 degrees and one degree colder than 
our relatively balmy low temperature of 40 degrees here 
on the 600-ft. summit. Our coldest reading of the season 
to date is 30 degrees on October 29th, the same morning
Boston recorded its lowest of the season of 37 degrees.  
 
Today's observations:
 
7 A.M.   
Weather: Scattered altocumulus clouds, few stratocumulus clouds,
patches thin ground fog, few dense patches and a little steam fog 
over the ponds 4 ESE and 1.5 SSE, all below an inversion    
Temperature: 42F, Dew point: 25F, Wind: N at 6 kts 
Sea-level pressure: 29.99 inches Hg, rising 
Visibility: 20 miles, 45 miles above inversion WNW 
6-hour min temp: 40F
24-hour precipitation: 0.00 inch 
BHO SA 1155 85 SCT 20 156/42/25/0106/999/ FEW SC AT 55 S-NW 
PTCHY THN GF BLO INVSN/SMT FEW PTCHS DENSE SHLW GF 
FEW PTCHS STEAM FG ESE-SSE VSBY WNW 45 ABV INVSN/
8/570 53014 10042 20040 
 
10 A.M.   
Weather: Clear, few altocumulus W-N and few small Cumulus forming distant NNE 
Temperature: 50F, Dew point: 32F, Wind: S at 3 kts (estimated)
Wind: Light and variable
Sea-level pressure: 30.03 inches Hg, steady 
Visibility: 25 miles, WNW 45 miles  
BHO SA 1455 CLR 25 171/50/32/E1803/003/ FEW SML CU FRMG DSNT NNE
FEW AC DSNT W-N THN K LYR HRZNS DRK K LYR N-NE HAZY VSBY WNW 45 WND L/V/ 
8/040 51015
 
1 P.M.   
Weather: Scattered cumulus, few moderately developed 
Temperature: 55F, Dew point: 31F, Wind: S at 6 kts
Wind: Light
Sea-level pressure: 30.01 inches Hg, falling
Visibility: 50 miles, light haze  
6-hourly max. temp: 55F
BHO SA 1755 50 SCT 50 161/55/31/1906/001/ FEW MDT CU 
LGT HZ WND LGT/ 8/200 58010 10055 20042 
  
WEATHER SUMMARY FOR SUNDAY, NOVEMBER 4
 
TEMPERATURE (DEGREES F)
MAX.....54    NORMAL.....54 
MIN.....37    NORMAL.....38
MEAN....46    NORMAL.....46
DEPARTURE FROM 30-YEAR NORMAL........... 0 
TOTAL DEPARTURE FOR THE MONTH...........+2 [+0.3 DEGREES/DAY]  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............33 W   AT 12:20 A.M.
                   AEROVANE.............33 W   AT 12:20 A.M. 
                   ASOS.................32 W   AT 12:20 A.M. 
                   DAVIS................33 W   AT N/A 
FASTEST MILE FOR YESTERDAY..............23 W   AT  1:07 A.M. *   
MAXIMUM 2-MINUTE ASOS AVERAGE...........22 W   AT 12:21 A.M.          
MAXIMUM 2-MINUTE DAVIS AVERAGE..........N/A        
AVERAGE WIND SPEED AND DIRECTION......12.0 W  
                   ASOS...............11.5  
                   DAVIS..............12.5 W [280 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 NOVEMBER...........0.95  DEPARTURE.....+0.35 
                         ASOS..............0.94    
TOTAL PRECIPITATION FOR THE YEAR..........36.49  DEPARTURE.....-6.13
                         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  morning low temp. 40F; normal low temp. now 37F 
      
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 5
HIGH 76 IN 1994
LOW 18 IN 1908
PRECIP 4.26 INCHES IN 1955
SNOWFALL 1.5 IN 1892
PEAK GUST 69 W IN 2004
 
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
 
TODAY'S REPORT PREPARED By: Robert Skilling