BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, OCTOBER 5, 2008
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
Today's observations:
 
8 A.M. EDT
Weather: Overcast with a very light rain shower; excellent visibility
Temperature: 49F, Dew point: 39F,  Wind: S at 3 kt
Wind: Light and variable
Sea-level pressure: 30.31 inches Hg, rising
Visibility: 80 miles W-NW; Horizon NNE-NE; 20 miles S
6-hourly minimum temperature: 45F
24-hourly rainfall: Trace
BHO SA 1155 70 OVC 80RW- 265/49/39/1703/031/
WND L/V FEW BINOVC DSNT E AND W-N VIRGA S VSBY S 20 K LYR ALNG HRZN N-NE/
8/5// 53017 6000/ 70000 10049 20045
 
11 A.M. EDT
Weather: Overcast
Temperature: 51F, Dew point: 40F, Wind: S at 10 kt
Sea-level pressure: 30.32 inches Hg, rising
Visibility: 80 miles W-NW; Horizon NNE-NE; 20 miles S
BHO SA 1455 60 OVC 80 268/51/40/1810/032/
FEW BINOVC DSNT N K LYR ALNG HRZN N-NE VIRGA S VSBY S 20/
8/5// 6000/ 50003
 
2 P.M. EDT
Weather: Overcast with a very light rain shower
Temperature: 52F, Dew point: 44F, Wind: SE at 8 kt
Sea-level pressure: 30.26 inches Hg, falling
Visibility: 50 miles prevailing; 20 miles to S
6-hourly max. temp. 52F
BHO SA 1755 30 OVC 50RW- 248/52/44/1408/026/
FEW BINOVC DSNT N K LYR ALNG HRZN NE VSBY S 20/
8/5// 6000 58020 10052 20049/
 
WEATHER SUMMARY FOR SATURDAY, OCTOBER 4
 
TEMPERATURE (DEGREES F)
MAX.....61    NORMAL.....65
MIN.....40    NORMAL.....47
MEAN....51    NORMAL.....56
 
DEPARTURE FROM 30-YEAR NORMAL.............-5
TOTAL DEPARTURE FOR THE MONTH.............-3 (-1.0 DEGREES/DAY)
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............32 WSW AT  1:17 P.M.
                   AEROVANE.............29 WSW AT  1:17 P.M.
                   ASOS.................30   W AT  1:17 P.M.
                   DAVIS................31   W AT 10:25 A.M. 
FASTEST MILE FOR YESTERDAY..............24 WSW AT  1:15 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE...........22   W AT  1:18 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE..........24   W AT 10:27 A.M.
                   AVERAGE............14.1 WSW
                   ASOS...............13.0
                   DAVIS..............14.0 WSW [253 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.......+0.04
                         ASOS..............0.61
TOTAL PRECIPITATION FOR THE YEAR..........43.50   DEPARTURE.......+5.34
                         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
 
# 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 5
HIGH 86F IN 2007
LOW 29F IN 1965
PRECIP 3.17 INCHES IN 1962
PEAK GUST 64e MPH S IN 1979
 
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
 
TODAY'S REPORT PREPARED By: Andrew Hoell