BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
 
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, OCTOBER 26, 2008 
ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED
 
Today's s observations:
 
8 A.M. EDT
Weather: Obscured sky with light drizzle and fog
Temperature: 54F, Dew point: 54F, Wind: W at 13G16 kt
Sea-level pressure: 29.79 inches Hg, rising
Visibility: 1/16 of a mile
6-hourly minimum temperature: 54F
24-hourly precipitation: 0.88 inches
BHO SA 1155 W2 X1 1/16L-F 089/54/54/2813G16/979/
8//// 51014 ASOS 60032 70088 10061 20054
 
11 A.M. EDT
Weather:  Scattered stratocumulus
Temperature: 54F, Dew point: 51F, Wind: W at 10 kt
Sea-level pressure: 29.83 inches Hg, rising
Visibility: 50 miles
3-hourly precipitation: Trace
BHO SA 1455 25 SCT 50 BKN 50 102/54/51/2610/983/
BINOVC ALQDS CLR DSNT W/ 8/400 51013 6000/
 
2 P.M. EDT
Weather: Clear with a few stratocumulus
Temperature: 63F, Dew point: 44F, Wind: Variable at 10 kt
Sea-level pressure: 29.79 inches Hg, falling
Visibility: 70 miles
6-hourly maximum temperature: 63F
6-hourly precipitation: Trace
BHO SA 1755 CLR 70 087/63/44/2310/979/
FEW SC NE-SE WND 18V30/ 8/400 56015 6000/ 10063 20053
 
WEATHER SUMMARY FOR SATURDAY, OCTOBER 25
 
TEMPERATURE (DEGREES F)
MAX.....66    NORMAL.....57
MIN.....44    NORMAL.....40
MEAN....55    NORMAL.....49
 
DEPARTURE FROM 30-YEAR NORMAL..............+6
TOTAL DEPARTURE FOR THE MONTH..............-3 [-0.3 DEGREES/DAY]
 
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............10  DEPARTURE........-7
TOTAL HEATING UNITS FOR THE MONTH...........313  DEPARTURE........-4
TOTAL HEATING UNITS FOR THE SEASON..........429  DEPARTURE.......-57
TOTAL HEATING UNITS LAST SEASON TO DATE.....255  DIFFERENCE.....+178
 
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............60 SSE AT 10:27 P.M.  
                   AEROVANE.............61 SSE AT 10:30 P.M.  
                   ASOS.................62   S AT 10:30 P.M.
                   DAVIS................60  SE AT 10:26 P.M.
FASTEST MILE FOR YESTERDAY..............49 SSE AT 10:30 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE...........44   S AT 10:31 P.M.  
MAXIMUM 2-MINUTE DAVIS AVERAGE..........43 SSE AT 10:31 P.M.
                   AVERAGE............19.9  SE
                   ASOS...............17.8
                   DAVIS..............19.2  SE [173 deg]
* Last of several occurrences
 
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.88   DEPARTURE.......+0.73
                         ASOS..............0.89
TOTAL PRECIPITATION FOR THE MONTH..........1.61   DEPARTURE.......-1.91
                         ASOS..............1.61
TOTAL PRECIPITATION FOR THE YEAR..........44.51   DEPARTURE.......+3.39
                         ASOS.............47.09 #
#  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/+6/0.49/120/17     38 SW   TSTM #
10/2  62/46/54/-2/0.11/455/65     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/-4/0.00/687/100    23 WNW
10/8  69/43/56/+2/0.00/581/85     32 S    Aero 30 MPH S
10/9  72/55/64/+10/0.02/510/75    33 WSW 
10/10 69/53/61/+7/0.00/664/98     29 W
10/11 68/49/59/+6/0.00/668/99     20 NNW
10/12 67/47/57/+4/0.00/625/93     21 W
10/13 62/50/56/+4/0.00/308/46     20 NE
10/14 65/50/58/+6/0.00/514/77     30 SSE
10/15 64/52/58/+6/0.00/618/93     21 ENE  
10/16 67/51/59/+8/T/026/04        35 NW
10/17 59/42/51/0/0.00/474/72      26 NW
10/18 51/37/44/-7/0.00/440/67     25 N
10/19 46/36/41/-10/0.00/176/27    36 NNE  Aero 36 MPH NNE
10/20 54/34/44/-6/0.00/631/97     25 N 
10/21 59/43/51/+1/0.01/129/20     20 W
10/22 44/38/41/-9/0.10/000/00     32 NNW
10/23 45/31/38/-11/0.00/520/81    23 N   
10/24 62/34/48/-1/0.00 .../..     22 WSW
10/25 66/44/55/+6/.../.../..      60 SSE  Aero 61 MPH SSE
 
# 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 26
HIGH 80 IN 1963
LOW 24 IN 1933
PRECIP 1.72 INCHES IN 1894
SNOW 3.0 INCHES IN 1962
WIND 59 MPH SSE IN 1967
 
RECORDS FOR OCTOBER 27
HIGH 83 IN 1963
LOW 21 IN 1936
PRE 1.79 INCHES IN 1886
SNOW 0.1 INCHES IN 1957
WIND 54 MPH WNW IN 1968 
 
TODAY'S REPORT PREPARED By: Andrew Hoell