BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, OCTOBER 9, 2008
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
Today's observations:
 
8 A.M. EDT
Weather: Overcast stratus
Temperature: 58F, Dew point: 58F, Wind: SSW at 15G21 kts
Sea-level pressure: 29.91 inches Hg, rising
Visibility: 20 miles
6-hourly minimum temperature: 55F
6-hourly rainfall: 0.02 inch
24-hourly rainfall: 0.02 inch
BHO SA 1155 E10 OVC 20 127/58/58/2115G21/991/ CIG RGD RE15/
8/7// 53002 MANUAL 6002 ASOS 60002 MANUAL 70002 ASOS 70002 
10058 20055
 
11 A.M. EDT
Weather: Scattered cumulus fractus
Temperature: 64F, Dew point: 57F, Wind: SW at 14G23 kts,
Wind: Direction variability S-W
Sea-level pressure: 29.90 inches Hg, falling
Visibility: 15 miles, hazy
BHO SA 1455 15 SCT 15 126/64/57/2214G23/990/ HZY WND 18V28/ 
8/600 58001
 
2 P.M. EDT
Weather: Scattered cumulus
Temperature: 69F, Dew point: 54F, Wind: SW at 11G21 kts
Wind: Direction variability S-WNW
Wind: Peak gust past hour 29 kts from WSW at 1:39 P.M. EDT
Sea-level pressure: 29.87 inches Hg, falling
Visibility: 20 miles, hazy
6-hourly max. temp. 71F
BHO SA 1755 35 SCT 20 116/69/54/2311G21/987/ HZY
PK WND 2429/39 WND 19V29/ 8/100 58010 10071 20058
 
WEATHER SUMMARY FOR WEDNESDAY, OCTOBER 8
 
TEMPERATURE (DEGREES F)
MAX.....69    NORMAL.....63
MIN.....43    NORMAL.....45
MEAN....56    NORMAL.....54
 
DEPARTURE FROM 30-YEAR NORMAL.............+2
TOTAL DEPARTURE FOR THE MONTH............-17 (-2.3 DEGREES/DAY)
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............32 S   AT 10:39 P.M.   
                   AEROVANE.............30 S   AT 11:30 P.M. *
                   ASOS.................31 SSW AT 10:40 P.M.
                   DAVIS................35 S   AT 11:08 P.M.
FASTEST MILE FOR YESTERDAY..............25 S   AT 10:40 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE...........24 SSW AT 10:41 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE..........24 S   AT 10:40 P.M.
                   AVERAGE............ 10.8 S
                   ASOS................10.6
                   DAVIS...............10.0 SW [230 deg]
* last of several occurrances
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.02   DEPARTURE.......-0.12
                         ASOS..............0.02
TOTAL PRECIPITATION FOR THE MONTH..........0.62   DEPARTURE.......-0.50
                         ASOS..............0.63
TOTAL PRECIPITATION FOR THE YEAR..........43.52   DEPARTURE.......+4.80
                         ASOS.............46.11 #
#  Includes erroneous ASOS precipitation data on 2/13/08.
 
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 2008 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane recording wind system gust when significant
TSTM: Thunderstorm day (thunder heard some time during day)
....: Data not yet available, records not finalized
 
10/1 68/58/63/+6/0.49/120/17     38 SW   TSTM #
10/2 62/46/54/-2/0.12/455/65     45 W
10/3 62/45/54/-2/T/376/54        44 SSW  Aero 43 MPH SSW
10/4 61/40/51/-5/0.00/612/88     32 WSW
10/5 53/45/49/-6/T/000/00        18 WNW
10/6 58/39/49/-6/0.00/303/44     28 WNW
10/7 64/37/51/-4/0.00/.../..     23 WNW
10/8 69/43/56/+2/0.00/.../..     32 S    Aero 30 MPH S
 
10/9 morning low temp. 55F; our normal low is now 45F
 
# Thunderstorm gust 
* corrected precip. for 4th to zero from a trace
 
NEW DAILY RECORDS FOR OCTOBER
 
None...
 
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
 
RECORDS FOR OCTOBER 9
HIGH 81 IN 1909
LOW 29 IN 1907,1937
PRECIP 2.54 INCHES IN 1976
SNOWFALL 0.2 INCHES IN 1888
PEAK GUST 81e MPH S IN 1976 (RECORD FOR MONTH)
 
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
 
TODAY'S REPORT PREPARED By: Stephanie Radner