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

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


Today's observations:

7 A.M. EST
Weather: Obscured with heavy fog
Temperature: 64F, Dew point: 64F, Wind: N at 12 kt
Sea-level pressure: 30.17 inches Hg, rising
Visibility: 1/16 of a mile
BHO SA 1155 W3 X3 1/16L-F 217/64/64/0112/017/ 8//// 53006  6000/ MANUAL 70243 
ASOS 70246 10069 20064

10 A.M. EST
Weather: Obscured with heavy fog
Temperature: 64F, Dew point: 64F, Wind: NNE at 11 kt
Sea-level pressure: 30.16 inches Hg, rising
Visibility: 1/4 of a mile
BHO SA 1455 W2 X1 1/4L-F 212/64/64/0211/016/ 8//// 50005 6000/

1 P.M. EST
Weather: Obscured with heavy fog
Temperature: 65F, Dew point: 65F, Wind: NNE at 12 kt
Sea-level pressure: 30.14 inches Hg, falling
Visibility: 1/4 of a mile
BHO SA 1755 W2 X1 1/4L-F 207/65/65/0212/014/ 8//// 50005 6000/ 10065 20063


WEATHER SUMMARY FOR THURSDAY, SEPTEMBER 15

TEMPERATURE (DEGREES F)
MAX.....72   NORMAL.....71    ASOS.....72 AT N/A
MIN.....66   NORMAL.....54    ASOS.....65 AT N/A
MEAN....69   NORMAL.....62
DEPARTURE FROM 30-YEAR NORMAL......+7
TOTAL DEPARTURE FOR THE MONTH.....+66 (+4.4 DEGREE/DAY)

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY.........23 WNW AT 9:50 A.M.
                   AEROVANE..........26 WNW AT 9:52 A.M.
                   ASOS..............N/A
FASTEST MILE FOR YESTERDAY...........18 WNW AT 9:48 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE........N/A
AVERAGE WIND SPEED AND DIRECTION.....7.5 S
                   ASOS..............N/A
*LAST OF SEVERAL OCCURRENCES


PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....2.43   DEPARTURE....+2.29
                         ASOS..............2.46
TOTAL PRECIPITATION FOR THE MONTH..........2.84   DEPARTURE....+0.81
                         ASOS..............N/A
TOTAL PRECIPITATION FOR THE YEAR..........41.93   DEPARTURE....+6.58
                         ASOS..............N/A*
*EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28.

PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 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

9/1   81/73/73/+6/0.41/773/98     28 WNW
9/2   83/62/73/+7/0/786/100       23 WSW
9/3   78/61/70/+4/0/782/100       25 WNW
9/4   78/60/69/+3/0/725/93        21 NE
9/5   70/57/64/-1/0/770/99        24 NNE
9/6   74/56/65/0/775/100          16 S
9/7   81/57/69/+4/0/742/96        21 S
9/8   83/59/71/+6/0/670/87        20 SSW
9/9   70/60/65/+1/0/276/36        21 NW
9/10  71/53/62/-2/0/756/99        21 NNW
9/11  73/49/61/-3/0/709/93        28 SSW
9/12  88/60/74/+11/0/691/91       29 SW
9/13  81/66/74/+11/0/688/91       23 SSE
9/14  85/65/75/+12/0/550/73       27 S
9/15  72/66/69/+7/.../.../..      23 WNW
9/16  MORNING LOW 64


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

RECORDS FOR SEPTEMBER 16
HIGH       91F IN 1939,1941
LOW        39F IN 1984
PRECIP     5.12 INCHES IN 1933
PEAK GUST  59 MPH SSE IN 1999

RECORDS FOR SEPTEMBER 17
HIGH       86F IN 1915,1941,1991
LOW        38F IN 1959
PRECIP     2.73 INCHES IN 1933
PEAK GUST  60 MPH WNW IN 1999

TODAY'S REPORT BY: Andrew Hoell