BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
FRIDAY, OCTOBER 3, 2008
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
FALL OPEN HOUSE AT THE OBSERVATORY ON SATURDAY, OCT 4...
We will be having our annual fall open house at the
Observatory TOMORROW, October 4 from 10 AM to 4 PM.
There will be free guided tours of the facility and a
"Inconvenient Truth" slide show at 11:30 AM and 1 PM.
 
NINTH ANNUAL SOUTHERN NEW ENGLAND WEATHER CONFERENCE TO
BE HELD SATURDAY, OCT 25...
Registration is now open for the Southern New England
Weather Conference being held at the Clay Center in
Brookline on October 25th.  To see the agenda or to
register go to www.sneweatherconf.org.
 
SEPTEMBER STATS
Mean temp: 63.4 [+1.3]
HDD = 102 [-36]
CDD = 60  [+11]
Precip: 7.44 [+3.31]
Sunshine: 12262 mins. or 55%
Wind direction: Prevailing S 13%
Av. wind speed: 11.0 MPH (corrected)
 
Rainfall of 7.44 for September ranks 17th wettest
and wettest since 2004.
 
Today's observations:
 
8 A.M. EDT
Weather: Broken stratocumulus
Temperature: 48F, Dew point: 42F, Wind: SSW at 13 kts
Sea-level pressure: 29.83 inches Hg, rising
Visibility: 35 miles
6-hourly minimum temperature: 45F
24-hourly rainfall: trace
BHO SA 1155 E50 BKN 35 101/48/42/2013/983/ 8/500 53004
10048 20045
 
11 A.M. EDT
Weather: Scattered stratocumulus, broken altocumulus
Temperature: 61F, Dew point: 44F, Wind: SW at 17G30 kts
Wind: Gust to 30 kts from SSW at 10:45 A.M. EDT
Wind: Direction variability S-W
Sea-level pressure: 29.82 inches Hg, falling
Visibility: 35 miles
BHO SA 1455 40 SCT E90 BKN 35 099/61/44/2317G30/982/
PK WND 2130/45 WND 18V28/ 8/530 58002
 
2 P.M. EDT
Weather: Scattered cumulus, broken stratocumulus,
overcast altocumulus, breaks in overcast east, few ACSL
Temperature: 59F, Dew point: 43F, Wind: SW at 21G32 kts
Wind: Gust to 32 kts from SW at 1:53 P.M. EDT
Wind: Direction variability S-WNW
Sea-level pressure: 29.83 inches Hg, rising
Visibility: 50 miles
6-hourly max. temp. 62F
BHO SA 1755 50 SCT E65 BKN 110 OVC 50 100/59/43/2321G32/983/
FEW ACSL E BINOVC E VIRGA SW-W PK WND 2332/53 WND 19V29/
8/84/ 50001 10062 20048
 
WEATHER SUMMARY FOR THURSDAY, OCTOBER 2
 
TEMPERATURE (DEGREES F)
MAX.....62    NORMAL.....65
MIN.....46    NORMAL.....47
MEAN....54    NORMAL.....56
 
DEPARTURE FROM 30-YEAR NORMAL.............-2
TOTAL DEPARTURE FOR THE MONTH.............+4 (+1.8 DEGREES/DAY)
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............45 W    AT  4:29 P.M. 
                   AEROVANE.............44 W    AT  4:29 P.M. 
                   ASOS.................43 W    AT  4:30 P.M.   
                   DAVIS................43 W    AT  4:29 P.M. 
FASTEST MILE FOR YESTERDAY..............31 W    AT  4:29 P.M. *
MAXIMUM 2-MINUTE ASOS AVERAGE...........30 W    AT  4:31 P.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE..........33 W    AT  4:31 P.M. 
                   AVERAGE............ 13.9 WSW
                   ASOS................13.0
                   DAVIS...............13.3 WSW [244 deg]
* last of several occurrances
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M...trace   DEPARTURE.......-0.14
                         ASOS..............0.00
TOTAL PRECIPITATION FOR THE MONTH..........0.60   DEPARTURE.......+0.32
                         ASOS..............0.61
TOTAL PRECIPITATION FOR THE YEAR..........43.50   DEPARTURE.......+5.62
                         ASOS.............46.09 #
#  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/.../.../..      38 SW   TSTM #
10/2 62/46/54/-2/.../.../..      45 W
 
10/3 morning low temp: 45F; our normal low is now 47F
 
# Thunderstorm gust 
 
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 3
HIGH 82F IN 1922
LOW 28F IN 1899
PRECIP 1.76 INCHES IN 1979
PEAK GUST 62 MPH WNW IN 1964
 
RECORDS FOR OCTOBER 4
HIGH 84F IN 2007
LOW 28F IN 1888
PRECIP 1.07 INCHES IN 1986
PEAK GUST 59 MPH SSW IN 1990
 
TODAY'S REPORT PREPARED By: Stephanie Radner