Tuesday, January 24, 2017
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, JANUARY 24, 2017
ALL TIMES ARE IN EASTERN STANDARD TIME
COASTAL STORM BRINGS SNOW, SLEET, AND RAIN TO BLUE HILL
Yesterday’s on and off light snow turned to sleet last
evening yielding 0.3 inches of frozen precip. Liquid
precip. measured 1.52 inches from yesterday at 7:00AM to
today at 7:00AM. An additional 0.22 inches fell between
7:00AM and 1:00PM today.
Winds were consistently gusting over 50 MPH all morning
but had begun to decrease slightly by early afternoon.
The peak gust for the day so far has been 62 MPH NE at
3:43AM.
Fog was beginning to clear by the 1:00PM observation.
Visibility remained at just 1/4 mile during the morning
obs and improved to 3 miles at 1:00PM.
Today’s Observations:
7 A.M.
Weather: Light rain, fog
Temperature: 38F; Dew Point: 38F; Wind: NE at 26G41 kts,
Peak Wind: 48 kts (55 mph) NE at 6:02 A.M.
Sea-level pressure: 29.47 ins. Hg, falling, then less quickly
Visibility: 1/4 mile
6-hr Max temp: 38F
6-hr Min temp: 35F
24-hr precip: 1.52 in.
24-hr snowfall: 0.3 in.
BHO SA 1155 W3 X 1/4R-F 981/38/38/0426G41/947/ PK WND 0448/02
NEW SNW PST 24 HRS 0.3 INS/ 8//// 56025 MANUAL 70152 ASOS 70153
10038 20035
10 A.M.
Weather: Moderate drizzle, fog
Temperature: 39F; Dew Point: 39F; Wind: NNE at 24G43 kts,
Peak Wind: 48 kts (55 mph) NE at 8:58 A.M.
Sea-level pressure: 29.41 ins. Hg, falling, then less quickly
Visibility: 1/4 mile
3-hr precip: 0.16 in.
3-hr snowfall: 0.0 in.
BHO SA 1455 W3 X 1/4LF 960/39/39/0324G43/941/ PK WND 0448/58/
8//// 56021 MANUAL 6016/ ASOS 60019
1 P.M.
Weather: Light drizzle, fog
Temperature: 40F; Dew Point: 40F; Wind: N at 23G36 kts,
Peak Wind: 43 kts (50 mph) NE at 12:06 P.M.
Sea-level pressure: 29.37 ins. Hg, falling, then less quickly
Visibility: 3 miles
6-hr Max temp: 40F
6-hr Min temp: 37F
6-hr precip: 0.22 in.
6-hr snowfall: 0.0 in.
BHO SA 1755 W3 X 3L-F 945/40/40/0123G36/937/ PK WND 0443/06/
8//// 58036 MANUAL 6022/ ASOS 60028 10040 20037
SUMMARY FOR MONDAY, JANUARY 23, 2017
TEMPERATURE (DEGREES F)
MAX…..36 NORMAL…..34
MIN…..33 NORMAL…..17
MEAN….35 NORMAL…..25
DEPARTURE FROM 30-YEAR NORMAL…………………..+10
TOTAL DEPARTURE FOR THE MONTH………………….+164 [+6.9 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..30 DEPARTURE………-10
TOTAL HEATING UNITS FOR THE MONTH………….745 DEPARTURE……..-164
TOTAL HEATING UNITS FOR THE SEASON………..2777 DEPARTURE……..-436
TOTAL HEATING UNITS LAST SEASON TO DATE……2496 DIFFERENCE…….+281
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….56 NE AT 10:45 P.M.
ASOS……………………56 ENE AT 10:45 P.M.
DAVIS…………………..51 E AT 10:44 P.M. RMY N/A
FASTEST MILE FOR YESTERDAY…………………34 ENE AT 7:56 P.M.*
MAXIMUM 2-MINUTE ASOS AVERAGE………………35 ENE AT 7:56 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..32 ENE AT 10:45 P.M.
AVERAGE WIND SPEED AND DIRECTION………….22.8 ENE
ASOS………………….22.1
DAVIS…………………20.2 E [080 deg.]
*last of multiple occurances
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….1.52 DEPARTURE……+1.38
ASOS…………..1.53
TOTAL PRECIPITATION FOR THE MONTH……….4.84 DEPARTURE……+1.58
ASOS…………..5.16
TOTAL PRECIPITATION FOR THE YEAR………..4.84 DEPARTURE……+1.58
ASOS…………..5.16
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.3 DEPARTURE…….-0.2
TOTAL SNOWFALL FOR THE MONTH……………11.5 DEPARTURE…….-1.3
TOTAL SNOWFALL FOR THE SEASON…………..19.3 DEPARTURE…….-9.5
PRELIMINARY CLIMATE SUMMARY FOR JANUARY CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/PEAK GUST/AERO/RMY GUST
AERO: Aerovane wind recording system 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
M: Missing data
1/1 41/29/35/+8/0.09/0.0/533/97 35 W AERO 36 W RMY 34
1/2 38/29/34/+7/0.00/0.0/011/02 21 E AERO 20 E RMY N/A
1/3 42/37/40/+14/1.14/0.0/000/00 39 ENE AERO 41 ENE RMY 34
1/4 44/30/37/+11/0.11/T/000/00 41 WNW AERO 46 WNW RMY 45
1/5 30/23/27/+1/0.00/0.0/343/62 37 W AERO 39 W RMY 38
1/6 30/20/25/-1/0.05/1.7/072/13 20 W AERO 20 W RMY N/A
1/7 22/14/18/-8/0.74/9.5/000/00 32 NNW AERO 39 NNW RMY 38
1/8 20/06/13/-13/0.01/T/512/92 26 NNW AERO 29 NNW RMY N/A
1/9 17/04/11/-15/0.00/0.0/335/60 23 SSW AERO 23 SSW RMY 25
1/10 41/14/28/+3/0.18/0.0/…/.. 35 SE AERO 37 SE RMY N/A
1/11 53/40/47/+22/0.13/0.0/…/.. 51 SSW AERO 48 SSW RMY 57
1/12 59/42/51/+26/0.15/0.0/…/.. 37 SSW AERO 40 S RMY 40
1/13 55/23/39/+14/0.00/0.0/…/.. 39 WNW AERO 43 WNW RMY 42
1/14 30/14/22/-3/0.00/0.0/…/.. 20 SSW AERO 20 SSW RMY 22
1/15 35/23/29/+4/0.00/0.0/…/.. 28 NW AERO 28 NW RMY 28
1/16 40/22/31/+6/0.00/0.0/…/.. 28 SW AERO 25 SW RMY 27
1/17 40/29/35/+10/0.27/T/…/.. 23 E AERO 23 E RMY 25
1/18 38/31/30/+10/0.29/T/…/.. 30 ENE AERO 29 ENE RMY 26
1/19 44/30/37/+12/0.00/T/…/.. 21 NNW AERO 20 NNW RMY 20
1/20 40/30/35/+10/T/0.0/…/.. 17 NNW AERO 17 NNW RMY N/A
1/21 54/35/45/+20/T/0.0/…/.. 29 W AERO 29 W RMY 28
1/22 46/36/41/+16/…./T/…./.. 31 ENE AERO 30 ENE RMY N/A
1/23 36/33/35/+10/…./0.3/…./.. 56 NE AERO 58 NE RMY N/A
1/24 Low temp since midnight is 35F; normal low is now 17F
DAILY RECORDS FOR JANUARY 2017
1/12/17: NEW DAILY RECORD HIGH MAXIMUM TEMP. OF 59F,
PREVIOUS RECORD WAS 57F SET 1913 AND TIED IN 1975
1/12/17: NEW DAILY RECORD HIGH MINIMUM TEMP. OF 42F,
PREVIOUS RECORD WAS 40F SET 2006
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JANUARY 24
HIGH 60F IN 1967
LOW -12F IN 1907
PRECIP 2.04 INS. IN 1998
SNOWFALL 11.3 INS. IN 1935
PEAK GUST 82 MPH S IN 1996
RECORDS FOR JANUARY 25
HIGH 56F IN 2010
LOW -10F IN 1935
PRECIP 2.24 INS. IN 1979
SNOWFALL 12.5 INS. IN 1941
PEAK GUST 81 MPH WNW IN 1972
TODAY’S REPORT PREPARED BY: Cecilia Borries-Strigle and Kaitlin Geagan
