BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, AUGUST 30, 2007   
ALL TIMES ARE IN EASTERN STANDARD TIME
 
Today's observations:
 
7 A.M.   
Weather: Clear 
Temperature: 68F, Dew point: 56F, Wind: S at 08 kts
Sea-level pressure: 30.03 inches Hg, rising
Visibility: 20 miles, hazy
6-hour min temp: 66F
24-hour rainfall: 0.00 
BHO SA 1155 CLR 20 169/68/56/1908/003/ FEW THN CI SW-NW HAZY/ 
8/001 53006 10068 20065
   
10 A.M.   
Weather: Clear
Temperature: 81F, Dew point: 60F, Wind: S at 09 kts
Wind: variability SE-SW
Sea-level pressure: 30.01 inches Hg, falling
Visibility: 15 miles, hazy   
BHO SA 1455 CLR 15 165/81/60/1809/001/ FEW THN CI NE AND SW-W 
HAZY WND 13V22/ 8/001 57004
 
1 P.M.   
Weather: Clear 
Temperature: 87F, Dew point: 55F, Wind: S at 08 kts 
Wind: variability SE-WSW 
Sea-level pressure: 29.98 inches Hg, falling 
Visibility: 12 miles, hazy    
6-hour max. temp: 88 deg. F
BHO SA 1755 CLR 12 152/87/55/1908/998/ FEW CI ALQDS HAZY 
WND 13V25/ 8/001 58013 10088 20068
 
WEATHER SUMMARY FOR WEDNESDAY, AUGUST 29
 
TEMPERATURE (DEGREES F)
MAX.....88    NORMAL.....76 
MIN.....64    NORMAL.....59
MEAN....76    NORMAL.....67
DEPARTURE FROM 30-YEAR NORMAL........ +9
TOTAL DEPARTURE FOR THE MONTH........+43  (+1.3 DEGREES/DAY)
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..............24 SSE  AT 6:30 P.M.   
                   AEROVANE...............21 SSE  AT 5:20 P.M.   
                   ASOS...................N/A  #
                   DAVIS..................24 S    AT 4:34 P.M. 
FASTEST MILE FOR YESTERDAY................17 S    AT 5:28 P.M. *       
MAXIMUM 2-MINUTE ASOS AVERAGE.............N/A  # 
MAXIMUM 2-MINUTE DAVIS AVERAGE............18 S    AT 4:58 P.M. 
AVERAGE WIND SPEED AND DIRECTION..........10.1 S  
                   ASOS...................N/A  #
                   DAVIS..................9.9 SSW [194 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.....-0.14
                         ASOS..............0.00 
TOTAL PRECIPITATION FOR THE MONTH..........0.62  DEPARTURE.....-3.16  
                         ASOS..............0.55    
TOTAL PRECIPITATION FOR THE YEAR..........30.98  DEPARTURE.....-2.21
                         ASOS.............30.22    
 
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 87/67/77/+7/0/641/77     33 SSW
8/17 78/62/70/0/0.07/241/29   43 S    Aero 39 MPH S TSTM  
8/18 71/52/62/-8/0.08/761/92  46 WNW  Aero 42 MPH WNW, Davis 46 MPH WNW TSTM  
8/19 74/51/63/-7/0/619/75     25 WNW  
8/20 70/56/63/-6/0/411/50     21 ENE
8/21 68/56/62/-7/0/271/33     23 E  
8/22 70/55/63/-6/0/147/18     23 NE    
8/23 75/59/67/-2/T/024/03     22 SSE   
8/24 88/66/77/+8/0/552/68     30 SSW  
8/25 93/69/81/+13/0/566/70    25 SSE  
8/26 84/68/76/+8/T/169/21     22 S
8/27 79/64/72/+4/0/731/91     25 NNE 
8/28 83/64/74/+6/0/736/92     21 ESE 
8/29 88/64/76/+9/0/.../..     24 SSE  Aero 21 MPH SSE
 
8/30 morning low temp. 65F; normal low now 58F
 
NEW DAILY RECORDS FOR AUGUST 2007: 
 
8/18 - NEW RECORD PEAK GUST FOR OF 46 MPH WNW; 
the previous record was 39 MPH SW in 1991
8/25 - RECORD HIGH TEMPERATURE OF 93F;
ties previous record set in 1947,1948
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR AUGUST 30
HIGH 94F IN 1953
LOW 39F IN 1965
PRECIP 2.75 INCHES IN 1936
PEAK GUST 43 MPH NW 1965
 
RECORDS FOR AUGUST 31
HIGH 94F IN 1953
LOW 42F IN 1976
PRECIP 2.46 INCHES IN 1954
PEAK GUST 125 MPH SE 1954 [CAROL - RECORD FOR MONTH]
 
TODAY'S REPORT PREPARED By: Stephanie Radner