BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, OCTOBER 6, 2008
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
SUNSHINE BACK AT LEAST FOR AWHILE TODAY WITH
TEMPERATURES RUNNING SEVERAL DEGREES LESS COOL
THAN THE CHILLY HIGH OF 53 DEGREES SUNDAY
SPRINKLES ON SUNDAY FROM OVERCAST SKY
 
A layer of middle to high level clouds moved away by
mid-morning today only to be replaced by more cloudiness
developing by early afternoon. Partly sunny weather
has replaced the completely overcast conditions
of Sunday which produced occasional morning and afternoon
sprinkles of rain. Breaks in the overcast could
be seen to the north all day but no sunshine
was recorded here. Visibility on Sunday was way
up to 80 and 90 miles. A high temperature of only
53 degrees was 11 degrees below the normal and
was our lowest maximum temperature since 47 degrees
way back on May 12th.
 
Today's observations:
 
8 A.M. EDT
Weather: Overcast altostratus with few altocumulus and a
line of clearing W-NNE and virga overhead thru E-S 
Temperature: 44F, Dew point: 40F,  Wind: NNW at 8 kts
Sea-level pressure: 30.30 inches Hg, rising
Visibility: 60 miles, 80 miles NW 
6-hourly minimum temperature: 43F
24-hourly rainfall: Trace
BHO SA 1155 E150 OVC 60 259/44/40/3308/030/
FEW SC DSNT ESE-SE FEW AC W-N VIRGA OVHD-E-S
LGE BINOVC/CLR SKY BND XTDNG W-NNE VSBY NW 80
E-S 50/ 8/57/ 51006 10045 20043
 
11 A.M. EDT
Weather: Scattered dense cirrus, east thru south,
few cumulus forming distant WNW and ESE-SE, few
altocumulus all parts of the sky   
Temperature: 53F, Dew point: 36F, Wind: NNW at 7 kts
Wind: Direction variable W-NNE
Sea-level pressure: 30.30 inches Hg, steady
Visibility: 60 miles, 70 miles NW 
BHO SA 1455 200 SCT 60 261/53/36/3307/030/ FEW SML CU
FRMG DSNT WNW AND DSNT ESE-SE FEW AC FEW ACC SE DENS
CI E-S VSBY NW 70 WND 27V02/ 8/182 51002
 
2 P.M. EDT
Weather: Overcast altocumulus, few cumulus, moderate cumulus,
virga all parts of the sky
Temperature: 55F, Dew point: 34F, Wind: SE at 11G18 kts
Sea-level pressure: 30.27 inches Hg, falling
Visibility: 70 miles
6-hourly max. temp. 58F
BHO SA 1755 E100 OVC 70 251/55/34/3112G18/027/
FEW CU/MDT CU BINOVC DSNT WNW-N THN SPTS IOVC
DSNT SE-SW VIRGA ALQDS WND 27V35/ 8/27/
58010 10058 20044
 
WEATHER SUMMARY FOR SUNDAY, OCTOBER 5
 
TEMPERATURE (DEGREES F)
MAX.....53    NORMAL.....64
MIN.....45    NORMAL.....46
MEAN....49    NORMAL.....55
 
DEPARTURE FROM 30-YEAR NORMAL.............-6
TOTAL DEPARTURE FOR THE MONTH.............-9 (-2.0 DEGREES/DAY)
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............18  W  AT 12:31 A.M. 
                   AEROVANE.............16  W  AT 12:31 A.M. 
                   ASOS.................16  W  AT 12:31 A.M.
                   DAVIS................17  W  AT 12:31 A.M.  
FASTEST MILE FOR YESTERDAY..............12  W  AT  1:18 A.M. 
MAXIMUM 2-MINUTE ASOS AVERAGE...........13  W  AT  1:19 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE..........13  W  AT  1:19 A.M. 
                   AVERAGE............ 5.5  S
                   ASOS............... 5.0
                   DAVIS...............5.3  SW [230 deg]
 
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.......-0.10
                         ASOS..............0.61
TOTAL PRECIPITATION FOR THE YEAR..........43.50   DEPARTURE.......+5.20
                         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 62/45/54/-2/T/.../..        44 SSW  Aero 43 MPH SSW
10/4 61/40/51/-5/0.00/.../..     32 WSW
10/5 53/45/49/-6/T/000/00        18 WNW
 
10/6 morning low temp. 43F; our normal low is now 46F
 
# 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 6
HIGH 83F IN 1990,2007
LOW 26F IN 1965
PRECIP 3.78 INCHES IN 1962
PEAK GUST 60e MPH S IN 1942
 
RECORDS FOR OCTOBER 7
HIGH 88 IN 1963 (RECORD FOR MONTH)
LOW 30 IN 1904,1986
PRECIP 1.75 INCHES IN 1972
PEAK GUST 52 ESE IN 1972
 
TODAY'S REPORT PREPARED By: Robert Skilling