BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, OCTOBER 16, 2005
ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted]


Today's observations:

7 A.M. EST
Weather: Clear with a few stratocumulus and altocumulus
Temperature: 49F, Dew point: 41F, Wind: WSW at 25G38 kt
Sea-level pressure: 29.36 inches Hg, steady
Visibility: 50 miles
Precipitation past 24 hours: 1.29 inches
BHO SA 1155 CLR 50 944/49/41/2525G38/936/ FEW SC FRMG DSNT SE-W FEW AC W-NE 
PK WND 2438/1152/ 8/570 55000 70129 10049 20048

10 A.M. EST
Weather: Broken stratocumulus, overcast cirrus
Temperature: 54F, Dew point: 41F, Wind: W at 30G40 kt
Sea-level pressure: 29.34 inches Hg, falling
Visibility: 50 miles
BHO SA 1455 30 BKN 200 BKN 50 935/54/41/2630G40/934/ PK WND 2642/1411/ 
8/401 58009


WEATHER SUMMARY FOR SATURDAY, OCTOBER 15

TEMPERATURE (DEGREES F)
MAX.....58   NORMAL.....61    ASOS.....58 AT 10:20 A.M.
MIN.....49   NORMAL.....43    ASOS.....49 AT MIDNIGHT P.M.
MEAN....54   NORMAL.....52
DEPARTURE FROM 30-YEAR NORMAL.......+2
TOTAL DEPARTURE FOR THE MONTH......+78 (+5.2 DEGREES/DAY)

HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY..........11   DEPARTURE.....-2
TOTAL HEATING UNITS FOR THE MONTH..........98   DEPARTURE....-67
TOTAL HEATING UNITS FOR THE SEASON........170   DEPARTURE...-164
TOTAL HEATING UNITS LAST SEASON TO DATE...247   DIFFERENCE...-77

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY.........48 NE AT 3:25 A.M.
                   AEROVANE..........47 NE AT 3:16 A.M.
                   ASOS..............45 NE AT 3:36 A.M.
                   DAVIS.............N/A
FASTEST MILE FOR YESTERDAY...........34 NE AT 3:26 A.M. (CORR.)
MAXIMUM 2-MINUTE ASOS AVERAGE........36 NE AT 3:27 A.M.
AVERAGE WIND SPEED AND DIRECTION...19.5 NW
                   ASOS............18.6
*LAST OF SEVERAL OCCURRENCES

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....1.29   DEPARTURE....+1.15
                         ASOS..............1.33
TOTAL PRECIPITATION FOR THE MONTH.........10.35   DEPARTURE....+8.25
                         ASOS.............10.50
TOTAL PRECIPITATION FOR THE YEAR..........53.25   DEPARTURE...+13.70
                         ASOS.............52.17*
*EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28.


PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 2005......CALENDAR DAY DATA
DATA REPORTED:
DATE  MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST

AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available

10/1  70/49/60/+3/0/690/98      21 MPH S
10/2  75/52/64/+8/0/681/97      23 MPH SSW
10/3  73/56/65/+9/0/656/94      15 MPH S
10/4  74/55/65/+9/T/382/55      17 MPH S
10/5  78/56/67/+12/0/471/68     17 MPH S
10/6  77/64/71/+16/T/366/53     25 MPH S
10/7  78/65/72/+17/0.03/158/23  31 MPH S   Aero 34 MPH S
10/8  71/49/60/+6/1.32/000/00   45 MPH S   Aero 50 MPH S
10/9  52/47/50/-4/1.33/000/00   50 MPH NNE Aero 48 MPH NNE
10/10 53/50/52/-2/0.19/000/00   25 MPH NNE
10/11 54/50/52/-1/0.28/000/00   42 MPH NNE Aero 40 MPH NE
10/12 53/49/51/-2/0.22/000/00   47 MPH NE  Aero 45 MPH NE
10/13 54/52/53/+1/.../000/00    40 MPH NE
10/14 56/53/55/+3/.../000/00    37 MPH NE  Aero 35 MPH NE
10/15 58/49/54/+2/.../000/00    48 MPH NE  Aero 47 MPH NE
10/16 MORNING LOW 48F


DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR OCTOBER 16
HIGH      86F IN 1897
LOW       28F IN 1886
PRECIP    2.82 INCHES IN 1974
SNOWFALL  NONE
PEAK GUST 68e MPH SSE IN 1954 (HURRICANE HAZEL)

RECORDS FOR OCTOBER 17
HIGH      86F IN 1947
LOW       25F IN 1886
PRECIP    1.87 INCHES IN 1989
SNOWFALL  TRACE IN 1970
PEAK GUST 55 MPH NE IN 1964

TODAY'S REPORT BY: Andrew Hoell