BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, AUGUST 14, 2008     
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED 
 
Today's observations:
 
8 A.M. EDT
Weather:  Broken altocumulus, overcast cirrostratus, break
in overcast W-NW
Temperature: 65F, Dew point: 62F,  Wind: N at 6 kts
Sea-level pressure: 29.79 inches Hg, steady
Visibility: 10 miles, thin fog
6-hourly minimum temperature: 63F 
24-hourly rainfall: 0.00 in.   
BHO SA 1155 E160 BKN 220 OVC 10 088/65/62/3506/979/ FEW MDT CU 
DSNT SE SUN DMLY VSB THN F DRK K LYR N-ENE AND S-W BINOVC W-NW/ 
8/232 55000 10065 20063
 
11 A.M. EDT
Weather: Scattered cirrostratus, cirrus, few cumulus and 
stratocumulus all quadrants except NW-E
Temperature: 74F, Dew point: 61F, Wind: N at 6 kts
Sea-level pressure: 29.79 inches Hg, rising
Visibility: 20 miles, light haze
BHO SA 1455 220 SCT 250 SCT 20 089/74/61/3606/979/ FEW CU/SC ALQDS 
XCPT NW-N-E MDT CU W-WNW PTCHS DENS CI N-E-S LGT HZ WND LGT AND VRB/ 
8/202 53001
 
2 P.M. EDT
Weather: Broken cumulus congestus, altocumulus, cirrostratus
Temperature: 76F, Dew point: 59F, Wind: NE at 6 kts
Sea-level pressure: 29.79 inches Hg, falling
Visibility: 20 miles, light haze
6-hourly max. temp. 77F 
BHO SA 1755 E35 BKN 140 BKN 220 BKN 20 088/76/59/0406/979/ 
MDT CU ALQDS FEW ACSL SE-SW PTCHS DENS CI LGT HZ WIND LGT AND VRB/ 
8/242 56001 10077 20065
 
WEATHER SUMMARY FOR WEDNESDAY, AUGUST 13
 
TEMPERATURE (DEGREES F)
MAX.....79    NORMAL.....80
MIN.....59    NORMAL.....62
MEAN....69    NORMAL.....71
 
DEPARTURE FROM 30-YEAR NORMAL.............-2 
TOTAL DEPARTURE FOR THE MONTH............-36 [-3.0 DEGREES/DAY]
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............18 WSW AT 10:53 A.M.    
                   AEROVANE.............18 WSW AT 10:53 A.M.    
                   ASOS.................18 W   AT 10:53 A.M.    
                   DAVIS................21 WSW AT 10:52 A.M.         
FASTEST MILE FOR YESTERDAY..............12 W   AT 12:17 A.M.    
MAXIMUM 2-MINUTE ASOS AVERAGE...........13 W   AT 12:31 P.M.     
MAXIMUM 2-MINUTE DAVIS AVERAGE..........15 SSW AT 11:57 P.M.    
                   AVERAGE.............7.7 W  
                   ASOS................8.1    
                   DAVIS...............8.1 WSW [241 deg]  
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00   DEPARTURE......-0.13  
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........3.12   DEPARTURE......+1.46  
                         ASOS..............3.18   
TOTAL PRECIPITATION FOR THE YEAR..........34.05   DEPARTURE......+2.98   
                         ASOS.............36.61 #
# 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/.../009/01      21 SW    TSTM
8/8  77/59/68/-3/.../442/52      23 ENE   TSTM
8/9  78/59/69/-2/0/534/63        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/.../..     21 NNW   TSTM 
8/13 79/59/69/-2/0/.../..        18 WSW
 
8/14 morning low temp. 63F; our normal low is now 61F
      
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 14
HIGH 99F IN 2002
LOW 46F IN 1964
PRECIP 3.06 INCHES IN 1919
PEAK GUST 61 MPH WNW IN 1963
 
RECORDS FOR AUGUST 15
HIGH 95F IN 1928
LOW 47F IN 1964
PRECIP 1.55 INCHES IN 2004 
PEAK GUST 44e MPH S IN 1941
 
TODAY'S REPORT PREPARED By: Stephanie Radner