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

DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, JANUARY 4, 2005
ALL TIMES ARE IN EASTERN STANDARD TIME

SUMMARY OF DECEMBER 2004

December 2004
Mean temp: 32.5 [ +1.3 ]
High: 59/23rd
Low:   1/21st
HDD: 1002 [ -38 ]
Precip: 6.16 [ 1.60 ]
Snowfall:  16.2 ins.
Max. snow depth: 13 inches, 27th
Peak gust: 67 MPH SSE 23RD, new record for date

TODAY'S OBSERVATIONS...

1/4/2005 TUE
BHO SA 1155 W3 X 1/8L-F 207/39/39/3611/014/ RE UKN PCPN VRY LGT/
 8//// 53012 ASOS 60028 MANUAL 6029/ ASOS 70063 MANUAL 60065 10042 20039

BHO SA 1455 E5 OVC 6F 229/39/38/3308/021/ CIG RGD HIER CLDS VSB
BRGHT SPTS IOVC VSBY SW 8 WND GRDLY BACKING/ 8/6// 53022 6000/

BHO SA 1755 E8 OVC 25 208/41/39/E3002/014/ THN F VSBY NE-SE 15 WNW 50/
8/6// 58021 6000/ 10041 20039

WEATHER SUMMARY FOR MONDAY, JANUARY 3:

TEMPERATURE (DEGREES F)
MAX.....51    NORMAL.....35
MIN.....39    NORMAL.....19
MEAN....45    NORMAL.....27

DEPARTURE FROM 30-YEAR NORMAL.....+18
TOTAL DEPARTURE FOR THE MONTH.....+38  (+12.5 DEGREES/DAY)

WIND DATA [ MPH ]
PEAK WIND GUST FOR YESTERDAY........40 SSW AT 2:28 A.M.
                   AEROVANE.........43 SSW AT 2:28 A.M.
                   ASOS.............38 SSW AT 2:28 A.M.
                   DAVIS............40 S   AT 12:40 A.M.

FASTEST MILE FOR YESTERDAY......... n/a
FASTEST 2-MIN AVERAGE ASOS..........31 S AT 2:29 A.M.
AVERAGE WIND SPEED AND DIRECTION..
                   ASOS...........12.8
                   DAVIS..........12.7 SSW / 210 deg.

PRECIPITATION (INCHES)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.65   DEPARTURE....+0.50
                         ASOS..............0.63
TOTAL PRECIPITATION FOR THE MONTH..........0.72   DEPARTURE....+0.27
                         ASOS..............0.70
TOTAL PRECIPITATION FOR THE YEAR...........0.72   DEPARTURE....+0.27
                         ASOS..............0.70

SNOWFALL (INCHES)
TOTAL SNOWFALL FOR 24 HRS ENDING 7 A.M......0.0   DEPARTURE....-0.5
TOTAL SNOWFALL FOR THE MONTH................0.0   DEPARTURE....-1.5
TOTAL SNOWFALL FOR THE SEASON..............24.0   DEPARTURE....+8.5


PRELIMINARY CLIMATE SUMMARY FOR JANUARY, 2005......CALENDAR DAY DATA

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

DATE  MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST

1/1   49/32/41/+14/0.00/0/../..                      45 MPH W
1/2   39/26/33/+6/0.05/0/.../..                      36 MPH S
1/3   51/39/45/+18/N/A/0/.../..                      40 MPH SSW
1/4   morning high temp. 42

DAILY EXTREMES

RECORDS FOR JANUARY 4
HIGH 60F IN 2000
LOW -8F IN 1904, 1981
PRECIP 1.79 INS. IN 1982
SNOW 8.6 INS. 1923, 1941
WIND 84 MPH S IN 1982

RECORDS FOR JANUARY 5
HIGH 58F IN 1950
LOW -9F IN 1981
PRECIP 0.98 INS. IN 1993
SNOW 4.5 INS. IN 1891
WIND 70 MPH WNW IN 1959

e = Estimated

TODAY'S REPORT BY: Robert Skilling