BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, AUGUST 2, 2007   
ALL TIMES ARE IN EASTERN STANDARD TIME
 
Today's observations:
 
7 A.M.   
Weather: Clear 
Temperature: 74F, Dew point: 64F, Wind: WSW at 10 kts
Sea-level pressure: 30.03 inches Hg, rising
Visibility: 15 miles, hazy
6-hour min temp: 68F     
24-hour rainfall: None 
BHO SA 1155 CLR 15 169/74/64/2410/003/ 
THN K LYR ALNG HRZN SE-SW HAZY/ 53014 10074 20068
 
10 A.M.   
Weather: Clear
Temperature: 85F, Dew point: 66F, Wind: SSW at 8 kts
Sea-level pressure: 30.03 inches Hg, rising
Visibility: 15 miles, hazy
BHO SA 1455 CLR 15 170/85/66/2008/003/ 
FEW CI DSNT WNW HAZY/ 8/001 50001
 
1 P.M.   
Weather: Thin scattered cirrus
Temperature: 90F, Dew point: 66F, Wind: SW at 9 kts  
Wind: Variability S-W
Sea-level pressure: 30.01 inches Hg, falling
Visibility: 18 miles, hazy
BHO SA 1755 25 –SCT 18 163/90/66/2309/001/ FEW CU ALQDS XCPT W-N 
HAZY WND 18V26/ 8/101 58007 10091 20074
 
WEATHER SUMMARY FOR WEDNESDAY, AUGUST 1
 
TEMPERATURE (DEGREES F)
MAX.....84    NORMAL.....81 
MIN.....67    NORMAL.....63
MEAN....76    NORMAL.....72
DEPARTURE FROM 30-YEAR NORMAL........+4
TOTAL DEPARTURE FOR THE MONTH........+4  (+3.8 DEGREES/DAY)
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..............20  NNE AT 07:05 A.M.  
                   AEROVANE...............17  S   AT 11:40 P.M.         
                   ASOS...................N/A  #
                   DAVIS..................Unknown           
FASTEST MILE FOR YESTERDAY................14  SSE AT  9:07 P.M. *           
MAXIMUM 2-MINUTE ASOS AVERAGE.............N/A  # 
MAXIMUM 2-MINUTE DAVIS AVERAGE............16  S   AT 10:51 P.M.             
AVERAGE WIND SPEED AND DIRECTION......... 9.6 NE   
                   ASOS...................N/A  #
                   DAVIS................. 9.7 NE [51 deg] 
 
# ASOS WINDS SWITCHED OFF BY NWS 6/6, IT IS NOT KNOWN WHEN 
  THAT DATA WILL RESUME
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE.....-0.12
                         ASOS..............0.00 
TOTAL PRECIPITATION FOR THE MONTH..........0.00  DEPARTURE.....-0.12 
                         ASOS..............0.00    
TOTAL PRECIPITATION FOR THE YEAR..........30.36  DEPARTURE.....+0.83
                   ASOS FOR YEAR..........29.67    
 
PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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
 
8/1  84/67/76/+4/0/782/94     20 NNE   Aero 17 MPH S
 
8/2 morning low temp. 68 deg; normal low now 63 deg.  
     
NEW DAILY RECORDS FOR AUGUST 2007: 
 
None to date
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR AUGUST 2
HIGH 101F IN 1975 [STATION RECORD MAXIMUM - Tied with 8/10/1949]
LOW 50 IN 1929, 1947
PRECIP 1.59 INCHES IN 1946
PEAK GUST 50 MPH SW IN 2006
 
RECORDS FOR AUGUST 3
HIGH 96F IN 1930
LOW 50F IN 1976
PRECIP 1.45 INCHES IN 1979
PEAK GUST 41 MPH NE IN 1964
 
TODAY'S REPORT PREPARED By: Stephanie Radner