BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, AUGUST 29, 2008    
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED 
 
Today's observations:
 
8 A.M. EDT
Weather: Scattered altocumulus, cirrus
Temperature: 64F, Dew point: 55F,  Wind: N at 7 kts
Sea-level pressure: 30.03 inches Hg, rising
Visibility: 20 miles
6-hourly minimum temperature: 57F
24-hourly rainfall: 0.00 inches
BHO SA 1155 140 SCT 250 SCT 20 177/64/55/0107/003/
FEW SC DSNT E-SE THN K LYR NW-NE AND SE-SW/ 8/531 51009
10064 20057
 
11 A.M. EDT
Weather: Broken stratocumulus, overcast cirrus
Temperature: 70F, Dew point: 59F, Wind: WNW at 3 kts
Wind: Light and variable
Sea-level pressure: 30.03 inches Hg, steady
Visibility: 20 miles
BHO SA 1455 E30 BKN 250 OVC 20 177/70/59/3003/003/
NMRS BIOVC WND LGT AND VRB/ 8/801 50000
 
2 P.M. EDT
Weather: Scattered stratocumulus, broken altocumulus,
overcast cirrus, thin spots in overcast
Temperature: 76F, Dew point: 60F, Wind: WSW at 6 kts
Wind: Light and variable
Sea-level pressure: 30.02 inches Hg, falling
Visibility: 20 miles, light haze
6-hourly max. temp. 77F
BHO SA 1755 55 SCT E120 BKN 250 OVC 20 166/76/60/2406/002/
THN SPTS IOVC LGT HZ WND LGT AND VRB/ 8/831 58011 10077 20064
 
WEATHER SUMMARY FOR THURSDAY, AUGUST 28
 
TEMPERATURE (DEGREES F)
MAX.....74    NORMAL.....76
MIN.....59    NORMAL.....59
MEAN....67    NORMAL.....68
 
DEPARTURE FROM 30-YEAR NORMAL.............-1
TOTAL DEPARTURE FOR THE MONTH............-49 [-2.0 DEGREES/DAY]
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............22 NE   AT  4:38 P.M.      
                   AEROVANE.............18 NE   AT  4:38 P.M. *          
                   ASOS.................22 ENE  AT  4:38 P.M.     
                   DAVIS................21 NE   AT  4:38 P.M.           
FASTEST MILE FOR YESTERDAY..............15 NE   AT  4:38 P.M. *       
MAXIMUM 2-MINUTE ASOS AVERAGE...........15 ENE  AT  4:39 P.M.         
MAXIMUM 2-MINUTE DAVIS AVERAGE..........16 NE   AT  4:38 P.M.       
                   AVERAGE.............10.0 NNE
                   ASOS.................9.9 
                   DAVIS...............10.3 NNE [013 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......+0.86
                         ASOS..............4.55  
TOTAL PRECIPITATION FOR THE YEAR..........35.43   DEPARTURE......+2.38 
                         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 74/59/67/-1/0.00/.../..     22 NE
 
8/29 our morning low temp. 57F; 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 29
HIGH 95F IN 1953
LOW 41F IN 1982
PRECIP 2.88 INCHES IN 1962
PEAK GUST 70e MPH S 1949
 
RECORDS FOR AUGUST 30
HIGH 94F IN 1953
LOW 39F IN 1965
PRECIP 2.75 INCHES IN 1936
PEAK GUST 43 MPH NW 1965
 
TODAY'S REPORT PREPARED By: Stephanie Radner