BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, OCTOBER 3, 2007    
ALL TIMES ARE IN EASTERN STANDARD TIME
 
Today's observations:
 
7 A.M.   
Weather: Obscurement with fog   
Temperature: 62F, Dew point: 62F, Wind: ESE at 02 kts
Wind: Light and variable
Sea-level pressure: 30.23 inches Hg, falling
Visibility: 1/16 mile, fog  
6-hour min temp: 61F
BHO SA 1155 W1 X 1/16F 238/62/62/E1202/023/ 
WND LGT AND VRBL/ 8//// 57006 10062 20061
 
10 A.M.   
Weather: Overcast stratus, higher clouds visible
Temperature: 66F, Dew point: 63F, Wind: SE at 03 kts
Wind: light and variable  
Sea-level pressure: 30.22 inches Hg, falling
Visibility: 4 miles, fog, variable 3-6 miles 
BHO SA 1455 E5 OVC 4VF 233/66/63/E1003/022/ 
HIER CLDS VSBL VSBY 3V6 WND LGT AND VRBL/ 8/601 58005
 
1 P.M.     
Weather: Overcast stratus
Temperature: 71F, Dew point: 63F, Wind: S at 07 kts 
Wind: Variability SE-SSW
Sea-level pressure: 30.17 inches Hg, falling
Visibility: 10 miles  
6-hour max. temp.: 71F 
BHO SA 1755 E10 OVC 10 217/71/63/1807/017/ 
WND 13V21/ 8/6// 58016 10071 20062
 
WEATHER SUMMARY FOR TUESDAY, OCTOBER 02 
 
TEMPERATURE (DEGREES F)
MAX.....72    NORMAL.....65 
MIN.....50    NORMAL.....47
MEAN....61    NORMAL.....56
DEPARTURE FROM 30-YEAR NORMAL.........+5 
TOTAL DEPARTURE FOR THE MONTH.........+6 [+2.8 DEGREES/DAY]  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..............20 SSE AT 11:06 P.M.     
                   AEROVANE.............. 19 SSE AT 11:06 P.M.     
                   ASOS...................18 S   AT 11:06 P.M.   
                   DAVIS..................19 SSE AT 11:05 P.M.     
FASTEST MILE FOR YESTERDAY................13 SSE AT 10:03 P.M.        
MAXIMUM 2-MINUTE ASOS AVERAGE.............14 SSE AT 11:06 P.M.       
MAXIMUM 2-MINUTE DAVIS AVERAGE............15 SE  AT 11:06 P.M.     
AVERAGE WIND SPEED AND DIRECTION.......... 8.0 SSE 
                   ASOS................... 7.7   
                   DAVIS.................. 7.4 SSE [157 deg] 
 

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE.....-0.14
                         ASOS..............0.00 
TOTAL PRECIPITATION FOR THE MONTH..........0.00  DEPARTURE.....-0.28  
                         ASOS..............0.00    
TOTAL PRECIPITATION FOR THE YEAR..........32.88  DEPARTURE.....-5.00
                         ASOS.............32.12    
 
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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
 
10/1 67/49/58/+1/0/592/84     18 S 
10/2 72/50/61/+5/0/.../..     20 SSE
 
10/3 morning low temp. 61F; normal low now 47F
 
NEW DAILY RECORDS FOR OCTOBER 2007: 
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR OCTOBER 3
HIGH 82F IN 1922
LOW  28F IN 1899
PRECIP 1.76 INCHES IN 1979
PEAK GUST 62 MPH WNW IN 1964
 
RECORDS FOR OCTOBER 4
HIGH 83F IN 1998, 1959
LOW 28F IN 1888
PRECIP 1.07 INCHES IN 1986
PEAK GUST 59 MPH SSW IN 1990
 
TODAY'S REPORT PREPARED By: Stephanie Radner