BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, AUGUST 7, 2008     
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED 
 
Today's observations:
 
8 A.M. EDT
Weather: Overcast stratus, stratus fractus drifting 
over/below summit
Temperature: 63F, Dew point: 63F,  Wind: S at 4 kts
Sea-level pressure: 29.80 inches Hg, rising
Visibility: 3 miles, fog 
6-hourly minimum temperature: 61F 
24-hourly rainfall: 0.28 inch  
BHO SA 1155 E5 OVC 3F 093/63/63/1904/980/ CIG RGD 
STFRA DRFTG OVR/BLO SMT/ 8/6// 53007 MANUAL 70028 ASOS 70029 
10063 20061
 
11 A.M. EDT
Weather: Low overcast stratus 
Temperature: 65F, Dew point: 64F,  Wind: SE at 6 kts
Sea-level pressure: 29.82 inches Hg, rising
Visibility: 5 miles, fog
3-hourly rainfall: Trace
BHO SA 1455 E5 OVC 5F 098/65/64/1406/982/ 8/6// 53005 
MANUAL 6000/
 
2 P.M. EDT
Weather: Scattered stratus fractus, overcast stratus
Temperature: 72F, Dew point: 65F,  Wind: SSE at 6 kts
Sea-level pressure: 29.78 inches Hg, falling
Visibility: 8 miles, hazy
6-hour max. temp. 72F 
6-hourly rainfall: Trace
BHO SA 1755 1606 15 SCT E35 OVC 8 084/72/65/1606/978/ HAZY/ 
8/6// 58014 MANUAL 6000/ 10072 20063
 
WEATHER SUMMARY FOR WEDNESDAY, AUGUST 6
 
TEMPERATURE (DEGREES F)
MAX.....64    NORMAL.....81
MIN.....60    NORMAL.....62
MEAN....62    NORMAL.....72
 
DEPARTURE FROM 30-YEAR NORMAL............-10 
TOTAL DEPARTURE FOR THE MONTH............-12 [-2.2 DEGREES/DAY]
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............31 ESE AT 10:16 A.M.      
                   AEROVANE.............31 ESE AT 10:16 A.M.   
                   ASOS.................28 SSE AT 10:16 A.M.    
                   DAVIS................31 ESE AT 10:15 A.M.     
FASTEST MILE FOR YESTERDAY..............23 ESE AT 10:16 A.M.    
MAXIMUM 2-MINUTE ASOS AVERAGE...........20 SSE AT 10:17 A.M.    
MAXIMUM 2-MINUTE DAVIS AVERAGE..........24 ESE AT  9:33 A.M.   
                   AVERAGE............ 10.0 SE   
                   ASOS................8.7    
                   DAVIS.............. 10.4 SE [127 deg]  
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.28   DEPARTURE......+0.15  
                         ASOS..............0.29
TOTAL PRECIPITATION FOR THE MONTH..........1.92   DEPARTURE......+1.17  
                         ASOS..............1.98   
TOTAL PRECIPITATION FOR THE YEAR..........32.85   DEPARTURE......+2.69   
                         ASOS.............35.41 #
# Includes erroneous ASOS precipitation data on 2/13/08.
 
PRELIMINARY CLIMATE SUMMARY FOR AUGUST 2008 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane recording wind system gust when significant
TSTM: Thunderstorm day (thunder heard some time during day)
....: Data not yet available, records not finalized
 
8/1  85/66/76/+4/0.00/.../..     16 WSW    
8/2  80/65/73/+1/0.80/.../..     21 NW    TSTM *
8/3  81/61/71/-1/0.56/.../..     52 NW    Aero 55 MPH NW TSTM
8/4  79/60/70/-2/0.01/.../..     25 WNW  
8/5  72/63/68/-4/T/.../...       21 NE  
8/6  64/60/62/-10/.../.../..     31 ESE
 
8/7  morning low temp. 61F; our normal low is now 62F
 
NEW DAILY RECORDS FOR AUGUST
 
8/3 - PEAK GUST OF 52 MPH FROM THE NW IS NEW RECORD FOR THE
      DATE; PREVIOUS RECORD 41 MPH NE IN 1964
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR AUGUST 7
HIGH 95F IN 1924
LOW 51F IN 2004
PRECIP 3.32 INCHES IN 1926
PEAK GUST 51 MPH NE 1975
 
RECORDS FOR AUGUST 8
HIGH 93F IN 1909,1949
LOW 47F IN 1903
PRECIP 3.08 INCHES IN 1976
PEAK GUST 45 MPH WNW IN 1958
 
TODAY'S REPORT PREPARED By: Stephanie Radner