BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, NOVEMBER 15, 2007 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
Today's observations:
 
7 A.M.   
Weather: Scattered stratus fractus, broken altocumulus
Temperature: 56F, Dew point: 54F, Wind: SSE at 18G25 kts 
Wind: Peak wind past hour 26 kts SSE @ 6:39 A.M.
Sea-level pressure: 29.56 inches Hg, falling
Visibility: 3 miles, fog
6-hour min temp: 54F
24-hour rainfall: 0.00 inch
BHO SA 1155 8 SCT E90 BKN 110 BKN 3F 011/56/54/1518G25/956/ 
PK WND 1626/39/ 8/670 56030 10056 20054
 
10 A.M.   
Weather: Broken altocumulus
Temperature: 62F, Dew point: 55F, Wind: SSE at 21G33 kts
Wind: Peak wind past hour 36 kts SSE @ 9:37 A.M.
Sea-level pressure: 29.47 inches Hg, falling   
Visibility: 6 miles, hazy
BHO SA 1455 E120 BKN 6H 980/62/55/1521G33/947/ 
PK WND 1636/37/ 8/070 58031
 
1 P.M.   
Weather: Broken stratus fractus, overcast nimbostratus 
Temperature: 58F, Dew point: 57F, Wind: S at 23G32 kts
Wind: Peak wind past hour 23 kts S @ 12:32 P.M.
Sea-level pressure: 29.39 inches Hg, falling
Visibility: 3 miles, fog
6-hour max. temp. 64F 
6-hour rainfall: 0.05 inches
BHO SA 1755 E8 BKN 30 OVC 3F 952/58/57/1723G32/939/ 
PK WND 1834/21/ 8/72/ 56028 MANUAL 6005/ ASOS 60005 10064 20056
 
WEATHER SUMMARY FOR WEDNESDAY, NOVEMBER 14
 
TEMPERATURE (DEGREES F)
MAX.....58    NORMAL.....50 
MIN.....41    NORMAL.....35
MEAN....50    NORMAL.....42
DEPARTURE FROM 30-YEAR NORMAL..........+ 8 
TOTAL DEPARTURE FOR THE MONTH..........-27 [-2.1 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............15  DEPARTURE......- 8
TOTAL HEATING UNITS FOR THE MONTH...........314  DEPARTURE......+26 
TOTAL HEATING UNITS FOR THE SEASON..........660  DEPARTURE.....-219
TOTAL HEATING UNITS LAST SEASON TO DATE.....757  DIFFERENCE....-107
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............37 S   AT 12:05 P.M.   
                   AEROVANE.............37 S   AT  1:47 P.M. *  
                   ASOS.................38 S   AT  1:44 P.M.   
                   DAVIS................38 S   AT 12:05 P.M.   
FASTEST MILE FOR YESTERDAY..............28 S   AT  1:47 P.M. *      
MAXIMUM 2-MINUTE ASOS AVERAGE...........29 SSW AT  1:52 P.M.   
MAXIMUM 2-MINUTE DAVIS AVERAGE..........28 S   AT 12:05 P.M.   
AVERAGE WIND SPEED AND DIRECTION.......17.4 S  
                   ASOS................17.3 
                   DAVIS...............15.3 S [175 deg]    
* last of several occurrences.
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE....-0.16
                         ASOS..............0.00 
TOTAL PRECIPITATION FOR THE MONTH..........2.19  DEPARTURE....+0.03 
                         ASOS..............2.20  
TOTAL PRECIPITATION FOR THE YEAR..........37.73  DEPARTURE....-6.45
                         ASOS.............37.03  
 
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.....-0.1
TOTAL SNOWFALL FOR THE MONTH................0.0  DEPARTURE.....-1.1 
TOTAL SNOWFALL FOR THE SEASON...............0.0  DEPARTURE.....-1.3
 
PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 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
 
11/1  66/42/54/+7/0/050/08     37 S
11/2  50/37/44/-2/0/446/73     29 NE
11/3  46/40/43/-3/0.95/000/00  51 N   Aero 50 MPH NNW  
11/4  54/37/46/0/0/503/82      33 W   Aero 33 MPH W    
11/5  56/40/48/+3/0/483/79     29 SE
11/6  53/37/45/0/0.75/000/00   35 SSE Aero 35 MPH SSE  
11/7  50/32/41/-4/0/551/91     30 W 
11/8  43/28/36/-8/0/494/82     22 W
11/9  44/32/38/-6/N/A/331/55   21 NNE
11/10 39/28/34/-10/N/A/383/64  32 N
11/11 42/24/33/-10/0/590/99    23 WNW
11/12 42/27/35/-8/0.02/024/04  25 SSE
11/13 55/42/49/+6/0.33/308/52  28 S
11/14 58/41/50/+8/0/.../..     37 S
 
11/15 morning low temp. 54F; normal low is now 35F
 
NEW DAILY RECORDS FOR NOVEMBER 2007: NONE
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR NOVEMBER 15
HIGH 74 IN 1993
LOW 15 IN 1933
PRECIP 1.66 INCHES IN 1981
SNOWFALL 4.0 IN 1967
PEAK GUST 58 NNW IN 1962// NW IN 1967
 
RECORDS FOR NOVEMBER 16
HIGH 73 IN 1927
LOW 8 IN 1933
PRECIP 2.25 INCHES IN 1981
SNOWFALL 2.0 IN 1913
PEAK GUST 78 S IN 1989
 
TODAY'S REPORT PREPARED By: Stephanie Radner