BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, JANUARY 1, 2008, NEW YEARS DAY
ALL TIMES ARE IN EASTERN STANDARD TIME
HAPPY NEW YEAR 2008!
DECEMBER 2007 STATS
Mean temp: 29.7 [-1.5]
HDD = 1087 [+47]
Precip: 6.94 ins. [+2.38]
Snowfall: 29.7 [+19.0]
Sunshine: 5962 mins. or 99.4 hrs. (corr.) or 35%
Av. corr. wind speed: 13.1 mph
Prevailing direction: W 21%
(additional data available next day or two)
Our monthly snowfall total was 29.7 inches making this
December tied with December 2003 for 4th snowiest December
on record.
Snowiest Decembers (inches)
1) 45.2 in 1945
2) 39.5 in 1947
3) 32.0 in 1902
4) 29.7 in 2003,2007
5) 29.0 in 1886
Number of days with measurable precipitation for December was 19.
This same number of days tied the record at Boston and was
recorded in the early 1970's. We'll be checking it out for here.
Today's observations:
7 A.M.
Weather: Scattered dense high cirrus clouds
Temperature: 30F, Dew point: 22F, Wind: ESE at 07 kts
Sea-level pressure: 30.13 inches Hg, rising
Visibility: 20 miles, patcy thin fog below inversion
6-hour min temp: 28F
24-hour precip: 0.03 inch
24-hour snowfall: 0.2 inch
Snow on ground: 1 inch
BHO SA 1155 200 SCT 20 203/30/22/1207/013/ PTCHS THN F
BLO SMT/INVSN FEW AC DENS CI W-N MSTLY CLR SKY ENE-S-SW
TOTAL NEW SNW PST 24 HRS 0.2 IN/ 8/042 4/001 56015
MANUAL 70003 ASOS 70003 10031 20028
10 A.M.
Weather: Broken middle level altocumulus clouds, high overcast dense
cirrus with thin spots and breaks to the SE-S
Temperature: 34F, Dew point: 26F, Wind: E at 15G24 kts
Sea-level pressure: 30.01 inches Hg, falling
Visibility: 30 miles, light haze
BHO SA 1455 E90 BKN 150 BKN 200 BKN 220 OVC 30 162/34/26/1015G24/001/
THN SPTS IOVC OVHD BINOVC SE-S DENS CI ALQDS LGT HZ/ 8/072 58041
1 P.M.
Weather: Obscurement, snow & fog, moderate snow falling,
snow briefly heavy past hour, snow increased one inch past hour,
snow wet
Temperature: 32F, Dew point: 32F, Wind: E at 13 kts
Sea-level pressure: 29.82 inches Hg, falling rapidly
Visibility: 1/16 moderate snow and heavy fog
6-hourly max. temp. 35F
6-hourly precip: (ASOS) 0.08 in.
6-hourly snowfall: 1.1 ins.
BHO SA 1755 W2 X 1/16SF 097/32/32/0913/982/ PRESFR
S OCNL S+ SNOINC1 SNW WET TOTAL NEW SNW PST 6 HRS 1.1 INS/
8//// 58065 ASOS 60008 MANUAL 6 GRP DLYD 10035 20030
WEATHER SUMMARY FOR MONDAY, DECEMBER 31
TEMPERATURE (DEGREES F)
MAX.....37 NORMAL.....35
MIN.....29 NORMAL.....20
MEAN....33 NORMAL.....27
DEPARTURE FROM 30-YEAR NORMAL...........+6
TOTAL DEPARTURE FOR THE MONTH..........-39 [-1.5 DEGREES/DAY]
HEATING DEGREE DAYS
TOTAL HEATING UNITS FOR YESTERDAY............32 DEPARTURE...... -5
TOTAL HEATING UNITS FOR THE MONTH..........1087 DEPARTURE......+47
TOTAL HEATING UNITS FOR THE SEASON.........2167 DEPARTURE.....-162
TOTAL HEATING UNITS LAST SEASON TO DATE....1873 DIFFERENCE....+294
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY............46 WSW AT 2:17 P.M.
AEROVANE.............45 WSW AT 2:17 P.M.
ASOS.................44 WSW AT 2:17 P.M.
DAVIS................43 W AT 2:19 P.M.
FASTEST MILE FOR YESTERDAY..............32 WSW AT 2:18 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE...........32 WSW AT 2:18 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE..........34 W AT 3:19 P.M.
AVERAGE WIND SPEED AND DIRECTION...... 14.6 W
ASOS............... 13.7
DAVIS.............. 14.1 W [280 deg]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.03 DEPARTURE....-0.12
ASOS..............0.03
TOTAL PRECIPITATION FOR THE MONTH..........6.94 DEPARTURE....+2.38
ASOS..............6.98
TOTAL PRECIPITATION FOR THE YEAR..........45.78 DEPARTURE....-5.44
ASOS.............45.20
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.2 DEPARTURE.....-0.2
TOTAL SNOWFALL FOR THE MONTH...............29.7 DEPARTURE....+19.0
TOTAL SNOWFALL FOR THE SEASON..............30.5 DEPARTURE....+16.9
PRELIMINARY CLIMATE SUMMARY FOR DECEMBER 2007...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
12/1 33/15/24/-12/0/0/493/88 54 WNW Aero 57 MPH WNW
12/2 24/15/20/-16/0.03/0.3/000/00 28 WNW
12/3 38/23/31/-4/0.62/1.7/000/00 47 W
12/4 27/17/22/-13/T/T/111/20 48 W
12/5 29/17/23/-12/T/T/244/44 23 WNW
12/6 28/15/22/-12/0/0/554/100 31 WNW
12/7 34/21/28/-6/0.07/0.7/000/00 24 SSW
12/8 41/25/33/0/0/0/452/82 32 W
12/9 33/25/29/-4/0.08/T/000/00 16 NW
12/10 30/26/28/-5/0.10/0/000/00 18 N
12/11 36/22/29/-3/0.09/0/258/47 25 S
12/12 44/22/36/+4/T/0/88/16 39 W
12/13 29/20/25/-7/1.08/9.2/000/00 24 ENE
12/14 37/20/29/-2/0.02/0.2/038/07 28 WSW
12/15 28/15/22/-9/0/0/420/77 31 WNW
12/16 43/23/33/+2/1.62/8.5/000/00 54 NE
12/17 32/15/24/-7/0/0/545/100 62 W Aero 65 MPH W
12/18 31/10/21/-9/0/0/512/94 20 W
12/19 38/24/31/+1/0.04/0/016/03 19 E
12/20 33/26/30/0/0.90/7.4/000/00 24 NNW
12/21 28/22/25/-5/0.03/0.2/000/00 25 N
12/22 32/26/29/0/0/0/136/25 21 ESE
12/23 54/33/44/+15/0.64/0/000/00 65 SE Aero 70 MPH SE
12/24 53/32/43/+14/0.01/0/501/92 50 S Aero 51 MPH S
12/25 40/29/35/+6/0/0/376/69 32 WSW
12/26 37/26/32/+4/0.22/0/332/61 27 NNE
12/27 36/31/34/+6/0.58/T/000/00 37 NNE
12/28 44/31/38/+10/0/0/410/75 28 WSW
12/29 45/34/40/+12/0.13/0/087/16 32 SE
12/30 40/30/35/+7/../0.7/175/32 25 W
12/31 37/29/33/+6/../0.8/214/39 46 WSW
1/1 morning low temp. 28F; normal low is now 19F
1.1 inches of new snow through 1 p.m.
NEW DAILY RECORDS FOR DECEMBER 2007:
Dec 13: Record daily snowfall of 9.2 inches surpasses previous
record of 9.0 inches in 1902.
Dec.16: Record daily snowfall of 8.5 inches surpasses previous
record of 7.0 inches in 1896.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JANUARY 1
HIGH 58F IN 1966
LOW -6F IN 1918
PRECIP 1.45 INS. IN 1982
SNOWFALL 7.2 INS. IN 1938
PEAK GUST 90e MPH S IN 1945
RECORDS FOR JANUARY 2
HIGH 62F IN 1890
LOW -7F IN 1899,1918
PRECIP 2.10 INS. IN 1987
SNOWFALL 9.0 INS. IN 1904
PEAK GUST 85e MPH S IN 1942
TODAY'S REPORT PREPARED By: Robert Skilling