BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, AUGUST 28, 2008     
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED  
 
Today's observations:
 
8 A.M. EDT
Weather: Scattered cirrostratus, thin overcast cirrus,
patches dense cirrus
Temperature: 64F, Dew point: 56F,  Wind: NNE at 11 kts 
Sea-level pressure: 30.09 inches Hg, rising
Visibility: 30 miles
6-hourly minimum temperature: 60F 
24-hourly rainfall: 0.00 inches
BHO SA 1155 220 SCT 250 –OVC 30 190/64/56/0211/009/ PTCHS DENS CI/ 
8/002 53009 10064 20060
 
11 A.M. EDT
Weather: Thin overcast cirrus, patches dense cirrus
Temperature: 71F, Dew point: 60F, Wind: NE at 9 kts 
Wind: direction variability NNW-ESE
Sea-level pressure: 30.12 inches Hg, rising
Visibility: 30 miles
BHO SA 1455 250 –OVC 30 199/71/60/0409/012/ PTCHS DENS CI 
WND 33V11/ 8/002 53009
 
2 P.M. EDT
Weather: Scattered cirrostratus, thin overcast cirrus, 
patches dense cirrus, partial halo
Temperature: 73F, Dew point: 54F, Wind: NNE at 9 kts
Wind: Direction variability N-ENE   
Sea-level pressure: 30.11 inches Hg, falling
Visibility: 35 miles
6-hourly max. temp. 73F
BHO SA 1755 220 SCT 250 –OVC 35 197/73/54/0209/011/ PTCHS DENS CI 
PARTIAL HALO WND 35V07/ 8/007 55002 10073 20064
 
WEATHER SUMMARY FOR WEDNESDAY, AUGUST 27
 
TEMPERATURE (DEGREES F)
MAX.....74    NORMAL.....77
MIN.....52    NORMAL.....59
MEAN....63    NORMAL.....68
 
DEPARTURE FROM 30-YEAR NORMAL.............-5
TOTAL DEPARTURE FOR THE MONTH............-48 [-2.0 DEGREES/DAY]
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............21 NNE  AT  9:43 A.M.       
                   AEROVANE.............17 NNE  AT  9:45 A.M.           
                   ASOS.................18 ENE  AT 11:10 A.M.      
                   DAVIS................19 NE   AT  9:43 A.M.            
FASTEST MILE FOR YESTERDAY..............14 NNW  AT  3:12 A.M. *        
MAXIMUM 2-MINUTE ASOS AVERAGE...........14 ENE  AT 11:10 A.M.          
MAXIMUM 2-MINUTE DAVIS AVERAGE.......   15 NNW  AT  3:15 A.M.        
                   AVERAGE..............7.8 NW 
                   ASOS.................7.4  
                   DAVIS................7.9 NNW [340 deg]  
* Last of several occurrences.
 
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..........4.50   DEPARTURE......+1.00 
                         ASOS..............4.55   
TOTAL PRECIPITATION FOR THE YEAR..........35.43   DEPARTURE......+2.52  
                         ASOS.............37.98 #
#  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/+4/0.00/719/83     16 WSW    
8/2  80/65/73/+1/0.80/346/40     21 NW    TSTM 
8/3  81/61/71/-1/0.56/422/49     52 NW    Aero 55 MPH NW TSTM
8/4  79/60/70/-2/0.01/731/85     25 WNW  
8/5  72/63/68/-4/T/377/44        21 NE  
8/6  64/60/62/-10/0.55/000/00    31 ESE  
8/7  72/61/67/-4/0.41/009/01     21 SW    TSTM
8/8  77/59/68/-3/0.47/442/52     23 ENE   TSTM
8/9  78/59/69/-2/0.00/534/63     16 SSE
8/10 80/61/71/0/0.08/474/56      24 ESE   TSTM 
8/11 67/61/64/-7/0.06/025/03     25 E 
8/12 72/58/65/-6/0.18/134/16     21 NNW   TSTM 
8/13 79/59/69/-2/0.00/778/93     18 WSW
8/14 78/63/71/+1/T/334/40        21 NNW   
8/15 79/62/71/+1/1.32/125/15     18 SSW   TSTM
8/16 79/61/70/0/0.01/647/78      23 WSW
8/17 80/59/70/0/0.00/787/95      28 WSW 
8/18 85/64/75/+5/0.00/759/92     28 SSW 
8/19 78/54/66/-4/0.05/576/70     29 WNW   TSTM
8/20 72/50/61/-8/0.00/812/99     28 WNW
8/21 78/55/67/-2/0.00/801/98     16 WNW
8/22 82/60/71/+2/0.00/799/98     20 S
8/23 80/60/70/+1/0.00/771/95     21 S 
8/24 80/60/70/+1/0.00/697/86     18 S
8/25 82/58/70/+2/0.00/258/32     28 NNW
8/26 72/52/62/-6/0.00/788/98     25 NNW
8/27 74/52/63/-5/0.00/.../..     21 NNE
 
8/28 our morning low temp. 60F; the normal low is now 59F 
      
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 28
HIGH 95F IN 1948
LOW 43F IN 1885
PRECIP 1.80 INCHES IN 1922
PEAK GUST 87 MPH SSE 1971
 
RECORDS FOR AUGUST 29
HIGH 95F IN 1953
LOW 41F IN 1982
PRECIP 2.88 INCHES IN 1962
PEAK GUST 70e MPH S 1949
 
TODAY'S REPORT PREPARED By: Stephanie Radner