BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, AUGUST 3, 2007   
ALL TIMES ARE IN EASTERN STANDARD TIME
 
ABOVE-NORMAL TEMPS, HUMID CONDITIONS CONTINUE ATOP BLUE HILL...
 
After a near-record high min of 70 degrees, temperatures raced into 
the 90s once again early Friday afternoon. With the dewpoint hovering 
in the upper 60s, conditions were quite humid and provided low 
visibility. The maximum recorded temperature as of 2:30 EDT was 
91.6 degrees. Winds have picked up quite a bit from the southwest as 
the peak gust reached 28 MPH. A line of showers and storms currently 
moving through New York state should reach the area by this evening. 
 
Today's observations:
 
7 A.M.   
Weather: Clear 
Temperature: 75F, Dew point: 70F, Wind: S at 10 kts
Sea-level pressure: 29.99 inches Hg, rising
Visibility: 5 miles, hazy
6-hour min temp: 70F     
24-hour rainfall: None 
BHO SA 1155 CLR 5 156/75/70/1810/999/ HAZY VSBY NE-SE 3/ 
51003 10075 20070
 
10 A.M.   
Weather: Clear
Temperature: 87F, Dew point: 71F, Wind: S at 12 kts
Wind: Variability SSE-WSW
Sea-level pressure: 29.98 inches Hg, falling
Visibility: 10 miles, hazy
BHO SA 1455 CLR 10 154/87/71/1912/998/ HAZY WND 16V25/ 56002
 
1 P.M.   
Weather: Clear, thin cirrus distant N
Temperature: 90F, Dew point: 64F, Wind: S at 17G22 kts  
Sea-level pressure: 29.95 inches Hg, falling
Visibility: 10 miles, hazy
6-hour max temp: 91F
BHO SA 1755 CLR 10 142/90/64/1917G22/995/ THN CI DSNT N 
8/001/ 58012 10091 20074
 
WEATHER SUMMARY FOR THURSDAY, AUGUST 2
 
TEMPERATURE (DEGREES F)
MAX.....92    NORMAL.....81 
MIN.....68    NORMAL.....63
MEAN....80    NORMAL.....72
DEPARTURE FROM 30-YEAR NORMAL........+8
TOTAL DEPARTURE FOR THE MONTH........+12  (+5.8 DEGREES/DAY)
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..............21  S   AT 8:57 P.M.  
                   AEROVANE...............19  S   AT 8:57 P.M.         
                   ASOS...................N/A  #
                   DAVIS..................21  S   AT 4:23 P.M           
FASTEST MILE FOR YESTERDAY................14  SSW AT 2:10 P.M.           
MAXIMUM 2-MINUTE ASOS AVERAGE.............N/A  # 
MAXIMUM 2-MINUTE DAVIS AVERAGE............17  SSW AT 2:13 P.M.             
AVERAGE WIND SPEED AND DIRECTION......... 9.6 S   
                   ASOS...................N/A  #
                   DAVIS................. 10.5 SSW [208 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.....-0.24 
                         ASOS..............0.00    
TOTAL PRECIPITATION FOR THE YEAR..........30.36  DEPARTURE.....+0.71
                   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  92/68/80/+8/0/.../..     21 S    
 
8/3 morning low temp. 70 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 3
HIGH 96F IN 1930
LOW 50F IN 1976
PRECIP 1.45 INCHES IN 1979
PEAK GUST 41 MPH NE IN 1964
 
RECORDS FOR AUGUST 4
HIGH 95F IN 1928
LOW 48F IN 1900
PRECIP 1.68 INS IN 1983
PEAK GUST 48 MPH SW IN 1974
 
TODAY'S REPORT PREPARED By: Eli Melaas