BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, OCTOBER 11, 2007 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
Today's observations:
 
7 A.M.   
Weather: Partial obscurement with fog, overcast stratus, light rain   
Temperature: 56F, Dew point: 56F, Wind: NE at 10 kts 
Sea-level pressure: 29.77 inches Hg, rising
Visibility: 1 mile, variable 1/2 - 1 1/2 miles     
6-hour min temp: 55F
6-hour precip: 0.08 inch 
24-hour precipitation: 0.09 inch  
BHO SA 1155 –X E4 OVC 1VR-F 080/56/56/0510/977/ F2 
VSBY 1/2V11/2 RB50 PCPN VRY LGT/ 8/7// 53006 
ASOS 60008 MANUAL 6008/ ASOS 70009 MANUAL 70009 10056 20055 
  
10 A.M.   
Weather: Low overcast stratus, light rain
Temperature: 56F, Dew point: 56F, Wind: ENE at 11 kts
Sea-level pressure: 29.76 inches Hg, falling
Visibility: 1 mile, variable 1/4 - 3 miles
3-hour precip: 0.04 inch   
BHO SA 1455 E3 OVC 1VR-F 079/56/56/0711/976/ PTCHS GF ALQDS 
FEW LWR STRA DRFTG OVR SMT VSBY 1/4V3 RB55 PCPN VRY LGT/ 
8/7// 55001 ASOS 60004 MANUAL 6004/
 
1 P.M.   
Weather: Obscurement with fog, light rain  
Temperature: 55F, Dew point: 55F Wind: NE @ 14G23 kts  
Wind: Variable direction N-E
Sea-level pressure: 29.70 inches Hg, falling
Visibility: 1 miles, rain and fog  
6-hourly rainfall: 0.05 inch
6-hourly max. temp. 56F
BHO SA 1755 W3 X 1R-F 057/55/55/0414G23/970/ RB50 PCPN VRY LGT 
WND 01V09/ 8//// 58022 ASOS 60005 MANUAL 6005/ 10056 20055
 
WEATHER SUMMARY FOR WEDNESDAY, OCTOBER 10
 
TEMPERATURE (DEGREES F)
MAX.....57    NORMAL.....62 
MIN.....50    NORMAL.....45
MEAN....54    NORMAL.....54
DEPARTURE FROM 30-YEAR NORMAL.........  0 
TOTAL DEPARTURE FOR THE MONTH.........+82 [+8.0 DEGREES/DAY]  
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY..............20 ESE AT 12:50 A.M. *       
                   AEROVANE.............. 18 ESE AT  3:22 A.M. *        
                   ASOS...................17 SE  AT  5:08 A.M.       
                   DAVIS..................UNKNOWN         
FASTEST MILE FOR YESTERDAY................14 SE  AT 12:48 A.M.             
MAXIMUM 2-MINUTE ASOS AVERAGE.............13 SE  AT  4:03 A.M.         
MAXIMUM 2-MINUTE DAVIS AVERAGE............UNKNOWN 
AVERAGE WIND SPEED AND DIRECTION.........7.4 ESE   
                   ASOS..................6.9   
                   DAVIS.................7.5 E [095 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..........0.76  DEPARTURE.....-0.64  
                         ASOS..............0.75    
TOTAL PRECIPITATION FOR THE YEAR..........33.64  DEPARTURE.....-5.36
                         ASOS.............32.87    
 
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/+1/0.10/580/85  29 NNW
10/10 57/50/54/0/0.09/000/00   20 ESE
  
10/11 morning low temp. 55F; normal low now 44F
      early morning rainfall midnight to 7 a.m. 0.08 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 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
 
RECORDS FOR OCTOBER 12
HIGH 87 IN 1954
LOW 31 IN 1906
PRECIP 1.53 INCHES IN 1948
SNOWFALL TRACE IN 1941
PEAK GUST 55 MPH NW IN 1963
 
TODAY'S REPORT PREPARED By: Stephanie Radner