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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, NOVEMBER 17, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
COLD RAIN, THICK FOG ENSHROUD GREAT BLUE HILL MONDAY,
TWO DAILY RECORDS BEING WATCHED CLOSELY TODAY
Rain that began early this morning was moderate to heavy between
7:00 and 11:00 AM EST this morning with thick fog reducing visibility
to 1/8 of a mile at times. An overnight low of 34F was not quite
low enough for any icing to occur.
Rain has totaled 0.98 inches up to 1:00 PM EST this afternoon,
and may threaten today’s daily precipitation record of 1.92 inches,
set back in 1920. With winds expected to increase later as well, our
daily record peak gust of 61 MPH, set in 2006, may also be in
jeopardy as an area of low pressure strengthens and passes through
the region later today.
Today’s Observations:
7 A.M.
Weather: Thick fog, light rain
Temperature: 35F; Dew Point: 35F; Wind: ENE at 7 kts
Sea-level pressure: 29.99 ins. Hg, falling
Visibility: 1/8 of a mile, obscured by thick fog
6-hr max temp: 38F
6-hr min temp: 34F
24-hr precip: 0.36 inches
BHO SA 1155 W3 X 1/8R-F 156/35/35/0607/999/
8//// 56018 ASOS 60033 70033 MANUAL 70036 10038 20034
10 A.M.
Weather: Moderate rain, thick fog, occasionally heavy rain
past hour
Temperature: 39F; Dew Point: 39F; Wind: NE at 9G15 kts
Wind Direction: Varying N-ENE
Sea-level pressure: 29.89 ins. Hg, falling, then more slowly
Visibility: 1/8 of a mile, obscured by thick fog
3-hr precip: 0.49 inches
BHO SA 1455 W2 X 1/8RF 121/39/39/0409G15/989/
OCNL R+ WND 36V07/ 8//// 56035 ASOS 60053 MANUAL 60049
1 P.M.
Weather: Thick fog, light drizzle
Temperature: 44F; Dew Point: 44F; Wind: ENE at 13 kts
Sea-level pressure: 29.70 ins. Hg, falling quickly
Visibility: 1/8 of a mile, obscured by thick fog
6-hr max temp: 44F
6-hr min temp: 35F
6-hr precip: 0.62 inches
BHO SA 1755 W2 X 1/8L-F 057/44/44/0613/970/
8//// 56064 ASOS 60067 MANUAL 60062 10044 20035
SUMMARY FOR SUNDAY, NOVEMBER 16, 2014
TEMPERATURE (DEGREES F)
MAX…..39 NORMAL…..50
MIN…..26 NORMAL…..34
MEAN….33 NORMAL…..42
DEPARTURE FROM 30-YEAR NORMAL…………………….-9
TOTAL DEPARTURE FOR THE MONTH……………………-13 [-1.0 DEGREE/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..32 DEPARTURE………..+9
TOTAL HEATING UNITS FOR THE MONTH………….348 DEPARTURE……….+13
TOTAL HEATING UNITS FOR THE SEASON…………770 DEPARTURE………-128
TOTAL HEATING UNITS LAST SEASON TO DATE…….814 DIFFERENCE………-44
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………17 S AT 9:13 P.M.
ASOS…………………..19 S AT 9:00 P.M.
DAVIS………………….18 S AT 9:00 P.M. RMY 19
FASTEST MILE FOR YESTERDAY………………..14 S AT 9:01 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..15 S AT 9:22 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….14 S AT 9:15 P.M.
AVERAGE WIND SPEED AND DIRECTION…………8.8 S
ASOS…………………9.0
DAVIS…………………8.0 SW (217 degrees)
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.36 DEPARTURE…..+0.15
ASOS…………..0.33
TOTAL PRECIPITATION FOR THE MONTH……….2.39 DEPARTURE…..-0.12
ASOS…………..2.36
TOTAL PRECIPITATION FOR THE YEAR……….43.94 DEPARTURE…..-2.34
ASOS………….44.23
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…….0.0
TOTAL SNOWFALL FOR THE MONTH…………….5.3 DEPARTURE……+4.7
TOTAL SNOWFALL FOR THE SEASON……………5.3 DEPARTURE……+4.4
PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY GUST
RMY: R.M. Young wind gust recording system
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
11/1 45/36/41/-5/0.79/0.0/000/00 35 NNE RMY N/A
11/2 37/32/35/-11/0.29/1.8/000/00 46 NW RMY 49
11/3 50/30/45/-6/0.00/0.0/584/95 39 WNW RMY 43
11/4 61/44/53/+8/0.00/0.0/208/34 28 SSW RMY 32
11/5 66/50/58/+13/0.00/0.0/006/01 29 SSW RMY N/A
11/6 52/45/49/+4/0.58/0.0/000/00 23 NE RMY 24
11/7 46/34/40/-5/0.00/0.0/079/13 39 NW RMY 42
11/8 47/30/39/-5/0.00/0.0/555/92 24 W RMY 25
11/9 56/38/47/+3/0.00/0.0/…/.. 23 SSW RMY N/A
11/10 58/40/49/+5/0.00/0.0/…/.. 17 S RMY 20
11/11 61/43/52/+9/0.00/0.0/…/.. 22 S RMY 25
11/12 59/40/50/+7/0.00/0.0/…/.. 22 W RMY 25
11/13 49/32/41/-2/0.08/T/…/.. 21 NW RMY N/A
11/14 41/27/34/-8/0.00/0.0/…/.. 23 NW RMY 27
11/15 37/24/31/-11/0.00/0.0/…/.. 23 NW RMY 23
11/16 39/26/33/-9/0.00/0.0/…/.. 17 S RMY 19
11/17 morning low temp: 34F since midnight; normal low now 33F
DAILY RECORDS FOR NOVEMBER 2014:
11/2 – A NEW RECORD DAILY SNOWFALL: 1.8 INCHES;
surpasses the previous record of 0.2 ins. in 1906, 1951
11/14 – DAILY SNOWFALL RECORD EQUALED: 3.5 INCHES;
ties previous record on this date in 1997
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR NOVEMBER 17
HIGH 74 IN 1928
LOW 10 IN 1924
PRECIP 1.92 INCHES IN 1920
SNOWFALL 1.0 INS IN 1980
PEAK GUST 61 SSE IN 2006
RECORDS FOR NOVEMBER 18
HIGH 72 IN 1963
LOW 10 IN 1936
PRECIP 1.80 INS IN 1929
SNOWFALL 6.3 INS IN 1980
PEAK GUST 60 SW IN 1987
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
