BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, AUGUST 16, 2007   
ALL TIMES ARE IN EASTERN STANDARD TIME
 
Today's observations:
 
7 A.M.   
Weather: Scattered altocumulus, cirrus
Temperature: 70F, Dew point: 60F, Wind: SW at 05 kts
Sea-level pressure: 29.99 inches Hg, rising
Visibility: 15 miles, higher W-NW
6-hour min temp: 67 deg. F
24-hour precip: None
BHO SA 1155 SCT 140 SCT 250 15 156/70/60/2205/999/ FEW SC NW-NE 
VSBY HIER W-NW/ 8/531 53009 10069 20067
 
10 A.M.   
Weather: Scattered altocumulus, cirrus   
Temperature: 80F, Dew point: 58F, Wind: W at 09 kts
Wind: variable direction SE-SW 
Sea-level pressure: 29.97 inches Hg, falling
Visibility: 40 miles, light haze   
BHO SA 1455 140 SCT 250 SCT 40 148/80/58/1709/997/ LGT HZ
WND 13V22/ 8/031 58006
 
1 P.M.
Weather: Scattered cumulus, broken cirrostratus  
Temperature: 86F, Dew point: 62F, Wind: S at 13 kts
Wind: variabile direction SE-SW
Sea-level pressure: 29.91 inches Hg, falling
Visibility: 15 miles, hazy  
6-hour max temp: 86 deg. F
BHO SA 1755 55 SCT 220 –BKN 15 128/86/62/1913/991/ FEW MDT CU FRMG ALQDS 
HAZY WND 14V22/ 8/201 58020 10087 20070
 
WEATHER SUMMARY FOR WEDNESDAY, AUGUST 15
 
TEMPERATURE (DEGREES F)
MAX.....83    NORMAL.....79 
MIN.....59    NORMAL.....61
MEAN....71    NORMAL.....70
DEPARTURE FROM 30-YEAR NORMAL........ +1
TOTAL DEPARTURE FOR THE MONTH........+24  (+1.4 DEGREES/DAY)
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..............36 SSW AT 11:31 A.M.  
                   AEROVANE...............34 SSW AT 11:31 A.M.   
                   ASOS...................N/A  #
                   DAVIS..................42 SSW AT 11:30 A.M. 
FASTEST MILE FOR YESTERDAY................29 SSW AT 11:31 A.M.  
MAXIMUM 2-MINUTE ASOS AVERAGE.............N/A  # 
MAXIMUM 2-MINUTE DAVIS AVERAGE............31 SSW AT 11:32 A.M.
AVERAGE WIND SPEED AND DIRECTION..........14.1 SSW  
                   ASOS...................N/A  #
                   DAVIS..................14.6 SSW [197 deg.]   
* last of several occurrences...
 
# 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.....-0.13
                         ASOS..............0.00 
TOTAL PRECIPITATION FOR THE MONTH..........0.47  DEPARTURE.....-1.45  
                         ASOS..............0.43    
TOTAL PRECIPITATION FOR THE YEAR..........30.83  DEPARTURE.....-0.50 
                   ASOS FOR YEAR..........30.10    
 
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/+4/0/851/98     20 NNE    
8/2  92/68/80/+8/0/823/95     21 S     
8/3  92/70/81/+9/0/760/88     28 SSW
8/4  89/71/80/+8/0/827/96     29 WSW  
8/5  80/62/71/-1/0/842/98     23 SSE 
8/6  77/61/69/-3/0.05/129/15  36 SSE Aero 34 MPH SSE TSTM  
8/7  82/67/75/+4/0.12/410/48  15 SSE 
8/8  88/70/79/+8/0.10/349/41  36 S
8/9  75/60/68/-3/0/722/85     32 NW
8/10 63/53/58/-13/0.19/017/02 16 SSW
8/11 83/52/68/-3/0/743/88     21 WNW
8/12 86/64/75/+4/0/665/79     21 SSW
8/13 83/64/74/+3/0.01/260/31  30 NW  TSTM
8/14 78/58/68/-2/0/812/97     23 NW
8/15 83/59/71/+1/0/651/78     36 SSW   Aero 34 MPH SSW
 
8/16 morning low temp. 67 deg; normal low now 61 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 16
HIGH 95F IN 1944
LOW 50F IN 1927
PRECIP 1.47 INCHES IN 1926
PEAK GUST 45e MPH N IN 1951
 
RECORDS FOR AUGUST 17
HIGH 97F IN 1944
LOW 48F IN 1902
PRECIP 2.17 INCHES IN 1998
PEAK GUST 50e MPH SSW IN 1952, 50 MPH WNW IN 1962
 
TODAY'S REPORT PREPARED By: Stephanie Radner