BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
  
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, NOVEMBER 16, 2007 
ALL TIMES ARE IN EASTERN STANDARD TIME
 
Today's observations:
 
7 A.M.   
Weather: Overcast stratus, rain and fog
Temperature: 37F, Dew point: 36F, Wind: W at 19G32 kts 
Wind: Peak wind past hour 34 kts W @ 6:44 A.M.
Sea-level pressure: 29.33 inches Hg, steady
Visibility: 10 miles, light rain
6-hour min temp: 36F
24-hour rainfall: 0.69 inch
BHO SA 1155 E10 OVC 10R- 932/37/36/2819G32/933/ THN F 
PK WND 2834/44/ 8/7// 55000 ASOS 60020 MANUAL 60XX/ 
ASOS 70066 MANUAL 70069 10039 20036
 
10 A.M.   
Weather: Broken stratus, overcast nimbostratus, light rain
Temperature: 39F, Dew point: 35F, Wind: W at 18G34 kts
Wind: Peak wind past hour 40 kts W @ 9:27 A.M.
Wind: Variable direction S-NNW
Sea-level pressure: 29.39 inches Hg, rising
Visibility: 60 miles
BHO SA 1455 E15 BKN 25 OVC 60RW- 951/39/35/2818G34/939/ 
BINOVC DSNT W-N SUN OCNLY DMLY VSBL PK WND 2840/27 WND 18V33/ 
8/62/ 53019 ASOS 60003 MANUAL 6003/
 
1 P.M.   
Weather: Scattered stratocumulus, broken altocumulus, broken
cirrus, patches dense cirrus
Temperature: 43F, Dew point: 29F, Wind: W at 14G28 kts
Wind: Peak wind past hour 41 kts W @ 11:57 A.M.
Sea-level pressure: 29.44 inches Hg, rising
Visibility: 80 miles
6-hour max. temp. 43F 
6-hour rainfall: 0.03 inches
BHO SA 1755 40 SCT E140 BKN 220 BKN 80 969/43/29/2814G28/944/ 
PTCHS DENSE CI PK WND 2841/1657/ 8/572 53018 
ASOS 60003 MANUAL 6003/ 10043 20037
 
WEATHER SUMMARY FOR THURSDAY, NOVEMBER 15
 
TEMPERATURE (DEGREES F)
MAX.....64    NORMAL.....50 
MIN.....40    NORMAL.....35
MEAN....52    NORMAL.....42
DEPARTURE FROM 30-YEAR NORMAL..........+10 
TOTAL DEPARTURE FOR THE MONTH..........-17 [-1.3 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............13  DEPARTURE......-10
TOTAL HEATING UNITS FOR THE MONTH...........327  DEPARTURE......+16 
TOTAL HEATING UNITS FOR THE SEASON..........673  DEPARTURE.....-229
TOTAL HEATING UNITS LAST SEASON TO DATE.....765  DIFFERENCE.....-92
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............44 SSE AT 10:11 A.M.   
                   AEROVANE.............46 SSE AT  9:20 A.M.   
                   ASOS.................43 S   AT 11:32 A.M.   
                   DAVIS................46 SSE AT  8:14 A.M.   
FASTEST MILE FOR YESTERDAY..............33 SSE AT 10:10 A.M.       
MAXIMUM 2-MINUTE ASOS AVERAGE...........32 S   AT 11:09 A.M.   
MAXIMUM 2-MINUTE DAVIS AVERAGE..........33 SSE AT 10:10 A.M.   
AVERAGE WIND SPEED AND DIRECTION...... 19.8 SSE  
                   ASOS................19.3 
                   DAVIS...............18.9 S [174 deg]    
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.69  DEPARTURE....+0.53
                         ASOS..............0.66 
TOTAL PRECIPITATION FOR THE MONTH..........2.88  DEPARTURE....+0.56 
                         ASOS..............2.86  
TOTAL PRECIPITATION FOR THE YEAR..........38.42  DEPARTURE....-5.92
                         ASOS.............37.69  
 
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.....-1.2 
TOTAL SNOWFALL FOR THE SEASON...............0.0  DEPARTURE.....-1.4
 
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 64/40/52/+10/../.../..   44 SSE Aero 46 MPH SSE
 
11/16 morning low temp. 36F; normal low is now 34F
 
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 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
 
RECORDS FOR NOVEMBER 17
HIGH 74 IN 1928
LOW 10 IN 1924
PRECIP 1.92 INCHES IN 1920
SNOWFALL 1.0 INS IN 1980
PEAK GUST 61 SSE IN 2006
 
TODAY'S REPORT PREPARED By: Stephanie Radner