BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, OCTOBER 10, 2007 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
SMALL AMOUNTS OF RAINFALL YESTERDAY AND TODAY 
TEMPERATURES AVERAGING NEAR NORMAL PAST COUPLE OF DAYS
 
Since Monday morning's brief downpours which brought a half 
inch of rain only small amounts of rainfall have been recorded
for yesterday and early today. The amounts have totaled less 
than one quarter of an inch for the past two days. October continues 
to run drier than normal and by slightly more than one half inch
through this morning.
 
The very warm temperatures of late last week have now been 
replaced by near normal daily means still running about a 
degree above normal for the past two days. The month continues
to average close to 9 degrees warmer than normal.
 
Today's observations:
 
7 A.M.   
Weather: Obscurement with fog   
Temperature: 51F, Dew point: 51F, Wind: E at 09 kts 
Sea-level pressure: 29.86 inches Hg, rising
Visibility: 1/16 mile     
6-hour min temp: 50F
6-hour precip: 0.07 inch 
24-hour precipitation: 0.09 inch  
BHO SA 1155 W3 X 1/16F 112/51/51/0909/986/ 8//// 55002 
ASOS 60005 MANUAL 6005/ ASOS 70009 MANUAL 70009 10051 20050 
  
10 A.M.   
Weather: Low overcast stratus and nimbostratus 
Temperature: 54F, Dew point: 52F, Wind: SE at 06 kts
Sea-level pressure: 29.85 inches Hg, falling
Visibility: 20 miles, southeast 25 miles   
BHO SA 1455 6 SCT E20 OVC 20 109/54/52/1306/985/ 6 SCT V BKN 
VSBY SE 25 THN F ALQDS/ 8/62/ 58003 
  
1 P.M.   
Weather: Low stratus overcast  
Temperature: 56F, Dew point: 54F Wind: E @ 02 kts (estimated) 
Sea-level pressure: 29.82 inches Hg, falling
Visibility: 25 miles  
6-hourly rainfall: 0.01 inch
6-hourly max. temp. 56F
BHO SA 1755 E8 OVC 25 099/56/54/E1002/982/ CIG RGD THN FG/ 
8/6// 58010 ASOS 60001 MANUAL 6001/ 10056 20051 
 
WEATHER SUMMARY FOR TUESDAY, OCTOBER 9
 
TEMPERATURE (DEGREES F)
MAX.....59    NORMAL.....63 
MIN.....50    NORMAL.....45
MEAN....55    NORMAL.....54
DEPARTURE FROM 30-YEAR NORMAL.........+ 1 
TOTAL DEPARTURE FOR THE MONTH.........+82 [+8.9 DEGREES/DAY]  

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..............29 NNW AT 2:43 A.M.       
                   AEROVANE.............. 30 NNW AT 2:43 A.M.        
                   ASOS...................28  N  AT 2:44 A.M.       
                   DAVIS..................28 NNW AT 2:43 A.M.         
FASTEST MILE FOR YESTERDAY................17 NNE AT 9:12 A.M. *            
MAXIMUM 2-MINUTE ASOS AVERAGE.............17 NNE AT 9:13 A.M.         
MAXIMUM 2-MINUTE DAVIS AVERAGE............18  N  AT 5:34 A.M.  
AVERAGE WIND SPEED AND DIRECTION.........10.7 E   
                   ASOS..................10.5   
                   DAVIS.................10.2 NE [040 deg]   
* last of several occurrences...
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.09  DEPARTURE.....-0.05
                         ASOS..............0.09 
TOTAL PRECIPITATION FOR THE MONTH..........0.67  DEPARTURE.....-0.59  
                         ASOS..............0.66    
TOTAL PRECIPITATION FOR THE YEAR..........33.55  DEPARTURE.....-5.31
                         ASOS.............32.78    
 
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/+5/0/323/46     20 SSE
10/3 73/61/67/+11/0/077/11    23 SSE
10/4 84/65/75/+19/0/425/61    21 SSW
10/5 86/61/74/+19/0/618/89    21 SSW 
10/6 83/62/73/+18/0/526/76    23 WSW
10/7 71/52/61/+7/0.01/110/16  29 NNE 
10/8 58/52/55/+1/0.49/000/00  21 S
10/9 59/50/55/+1/0.10/.../..  29 NNW
  
10/10 morning low temp. 50F; normal low now 45F
      early morning rainfall midnight to 7 a.m. 0.07 inch  
 
NEW DAILY RECORDS FOR OCTOBER 2007:
 
10/4 - RECORD HIGH TEMPERATURE 84F; PREVIOUS 83F IN 1898 and 1959.
     - EQUALED RECORD HIGH MINIMUM TEMPERATURE OF 65F; ALSO IN 1927. 
10/5 - RECORD HIGH TEMPERATURE 86F; PREVIOUS 85F IN 1922
10/6 - EQUALED RECORD HIGH TEMPERATURE 83F; ALSO IN 1990.
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR OCTOBER 10
HIGH 85 IN 1949
LOW 27 IN 1929
PRECIP 2.02 INCHES IN 1998
SNOWFALL 6.8 INCHES IN 1979 (RECORD FOR MONTH)
PEAK GUST 59 MPH WNW IN 1958
 
RECORDS FOR OCTOBER 11
HIGH 80 IN 1919,1949
LOW 28 IN 1993
PRECIP 0.96 INCHES IN 1903
SNOWFALL (NONE)
PEAK GUST 66e MPH WNW IN 1941
 
TODAY'S REPORT PREPARED By: Robert Skilling