BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, OCTOBER 6, 2007    
ALL TIMES ARE IN EASTERN STANDARD TIME
 
EARLY OCTOBER HEAT RECORDS SET 
LONG DRY SPELL CONTINUES...
 
At 3:39 P.M. EDT yesterday the maximum temperature reached 
a new record high of 86.4F (86) surpassing the old record
for October 5th of 85 degrees set in 1922.  The minimum 
temperature for yesterday of 61 degrees was one degree short
of the record high minimum of 62 degrees established in 1910.
 
On October 4th our high temperature of 84 degrees surpassed 
the previous record of 83 degrees set in 1898 and 1959. 
The minimum temperature of 65 degrees equaled the record 
highest minimum temperature previously set in 1927.
 
We could approach today's record high temperature which is
83 degrees set in 1990. It was 82F by 2 p.m.  
 
There has only been 0.35 inch of rain since September 11th, 
a period of three and a half weeks as we continue in a 
moderate drought which began during the summer.     
 
Today's observations:
 
7 A.M.   
Weather: Partial obscurement, fog obscuring 1/10 of sky, thin scattered cirrus 
Temperature: 63F, Dew point: 62F, Wind: WSW at 09 kts
Sea-level pressure: 30.18 inches Hg, rising
Visibility: 11/2 miles in fog, increasing    
6-hour min temp: 62F
BHO SA 1155 –X 250 –SCT 300 –SCT 11/2F 220/63/62/2409/018/ F1 
VSBY E 3 VSBY SLWLY INCRSNG/ 8/001 55000 10065 20062
 
10 A.M.   
Weather: Scattered dense cirrus and thin broken cirrus
Temperature: 78F, Dew point: 63F, Wind: WNW at 05 kts
Wind: Light 
Sea-level pressure: 30.17 inches Hg, rising
Visibility: 10 miles, hazy  
BHO SA 1455 220 SCT 250 –SCT 10 216/78/63/3005/017/ FEW AC NW PTCHS DENSE CI 
HAZY WND LGT/ 8/082 58004 
 
1 P.M.     
Weather: Clear, few cumulus and few cirrus north  
Temperature: 82F, Dew point: 62F, Wind: WS at 07 kts
Wind: Variability WSW-WNW
Sea-level pressure: 30.11 inches Hg, falling
Visibility: 12 miles, hazy
6-hour max. temp.: 82F 
BHO SA 1755 CLR 12 197/82/62/2607/011/ FEW CU ALQDS FEW CI N
HAZY WND 24V30/ 8/101 58019 10082 20063 
 
WEATHER SUMMARY FOR FRIDAY, OCTOBER 05
 
TEMPERATURE (DEGREES F)
MAX.....86    NORMAL.....64 
MIN.....61    NORMAL.....46
MEAN....74    NORMAL.....55
DEPARTURE FROM 30-YEAR NORMAL.........+19 
TOTAL DEPARTURE FOR THE MONTH.........+55 [+10.8 DEGREES/DAY]  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..............21 SSW AT  9:28 P.M. *     
                   AEROVANE.............. 21 SSW AT  9:28 P.M. *     
                   ASOS...................20 SW  AT  9:28 P.M.     
                   DAVIS..................25 SSW AT  9:27 P.M.      
FASTEST MILE FOR YESTERDAY................16 SSW AT  5:27 P.M.           
MAXIMUM 2-MINUTE ASOS AVERAGE.............16 SSW AT  5:31 P.M.        
MAXIMUM 2-MINUTE DAVIS AVERAGE............19 SSW AT  9:00 P.M.   
AVERAGE WIND SPEED AND DIRECTION.......... 8.1 SSW  
                   ASOS................... 8.3   
                   DAVIS.................. 8.4 SW [225 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..........0.00  DEPARTURE.....-0.70  
                         ASOS..............0.00    
TOTAL PRECIPITATION FOR THE YEAR..........32.88  DEPARTURE.....-5.42
                         ASOS.............32.12    
 
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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
 
10/1 67/49/58/+1/0/592/84     18 S 
10/2 72/50/61/+5/0/.../..     20 SSE
10/3 73/61/67/+11/0/.../..    23 SSE
10/4 84/65/75/+19/0/.../..    21 SSW
10/5 86/61/74/+19/0/.../..    21 SSW
 
10/6 morning low temp. 62F; normal low is now 46F 
 
NEW DAILY RECORDS FOR OCTOBER 2007:
 
10/4 - RECORD HIGH TEMPERATURE 84F; PREVIOUS 83F IN 1898 and 1959.
     - EQUALED HIGH MINIMUM TEMPERATURE OF 65F; ALSO IN 1927. 
10/5 - RECORD HIGH TEMPERATURE 86F; PREVIOUS 85F IN 1922
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR OCTOBER 6
HIGH 83F IN 1990
LOW 26F IN 1965
PRECIP 3.78 INCHES IN 1962
PEAK GUST 60e MPH S IN 1942
 
RECORDS FOR OCTOBER 7
HIGH 88 IN 1963 (RECORD FOR MONTH)
LOW 30 IN 1904,1986
PRECIP 1.75 INCHES IN 1972
PEAK GUST 52 ESE IN 1972
 
TODAY'S REPORT PREPARED By: Robert Skilling