BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, FEBRUARY 27, 2017
ALL TIMES ARE IN EASTERN STANDARD TIME
MILD TEMPERATURES RETURN
Temperatures reached 50F again today after cooler levels
yesterday. The overnight low of 26F occurred shortly
before the 7:00AM observation. Despite sunny skies and
dry conditions, temps. felt much colder due to the gusty
southwest winds. Light distant haze persisted, but
visibility remained at 70 miles during each observation.
The new daily high minimum temperature record of 47F on
February 24, 2017 ties as second-highest minimum temperature
for February at Blue Hill Observatory. The three-day cumulative
temperature departure for February 23-25, 2017 of +79F ranks as
third highest three-day cumulative temperature departure for the
winter season.
Highest February Daily Maximum Temperature, deg F (1885-2017)
1) 71 on 24 Feb 2017
2) 68 on 24 Feb 1985
68 on 25 Feb 2017
4) 67 on 26 Feb 1957
67 on 25 Feb 1976
67 on 23 Feb 2017
7) 66 on 20 Feb 1930
66 on 19 Feb 1981
9) 65 on 18 Feb 1981
65 on 01 Feb 1989
BHO Warmest February Daily High Minimum Temperature, deg F (1885-2017)
1) 49 on 20 Feb 1981
2) 47 on 28 Feb 1910
47 on 23 Feb 1990
47 on 24 Feb 2017
5) 46 on 26 Feb 1957
6) 45 on 22 Feb 1954
45 on 5 Feb 1991
45 on 21 Feb 2002
BHO Highest Winter 3-Day Cumulative Temperature Departure, deg F (1885-2017)
1) +98 on 14-16 Jan 1995 (65/45/55/+30, 64/54/59/+34, 63/55/59/+34)
2) +80 on 4-6 Jan 2007 (53/40/47/+21, 61/46/54/+28, 66/48/57/+31)
3) +79 on 23-25 Feb 2017 (67/40/54/+24, 71/47/59/+29, 68/44/56/+26)
4) +77 on 18-20 Feb 1981 (65/42/54/+25, 66/43/55/+26, 60/49/55/+26)
+77 on 3-5 Feb 1991 (58/37/48/+22, 62/41/52/+26, 65/45/55/+29)
6) +75 on 7-9 Jan 2008 (54/39/47/+21, 65/45/55/+29, 59/42/51/+25)
Today’s Observations:
7 A.M.
Weather: Few cirrus NW-N
Temperature: 28F; Dew Point: 17F; Wind: SW at 14G20 kts
Sea-level pressure: 30.34 ins. Hg, rising unsteadily
Visibility: 70 miles. light distant haze in all directions
6-hr Max temp: 28F
6-hr Min temp: 26F
24-hr precip: 0.00 in.
24-hr snowfall: 0.0 in.
BHO SA 1155 CLR 70 274/28/17/2214G20/034/ FEW CI NW-N LGT DSNT HZ ALQDS/
8/001 52022 10028 20026
10 A.M.
Weather: Scattered cirrostratus
Temperature: 41F; Dew Point: 18F; Wind: SW at 13G19 kts
Sea-level pressure: 30.36 ins. Hg, rising, then more slowly
Visibility: 70 miles, light distant haze in all directions
BHO SA 1455 250 SCT 70 280/41/18/2213G19/036/ LGT DSNT HZ ALQDS/
8/008 50006
1 P.M.
Weather: Broken cirrostratus
Temperature: 49F; Dew Point: 17F; Wind: SW at 14G24 kts
Sea-level pressure: 30.32 ins. Hg, falling, then more quickly
Visibility: 70 miles, light distant haze in all directions
6-hr Max temp: 51F
6-hr Min temp: 28F
BHO SA 1755 E250 BKN 70 268/49/17/2314G24/032/ LGT DSNT HZ ALQDS/
8/006 58012 10051 20028
SUMMARY FOR SUNDAY, FEBRUARY 26, 2017
TEMPERATURE (DEGREES F)
MAX…..44 NORMAL…..39
MIN…..28 NORMAL…..21
MEAN….36 NORMAL…..30
DEPARTURE FROM 30-YEAR NORMAL…………………….+6
TOTAL DEPARTURE FOR THE MONTH…………………..+161 [+6.0 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..29 DEPARTURE……….-6
TOTAL HEATING UNITS FOR THE MONTH………….806 DEPARTURE……..-162
TOTAL HEATING UNITS FOR THE SEASON………..3833 DEPARTURE……..-666
TOTAL HEATING UNITS LAST SEASON TO DATE……3612 DIFFERENCE…….+221
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….46 WNW AT 9:14 A.M.
AERO……………………50 W AT 4:52 A.M.
ASOS……………………46 W AT 9:13 A.M.
DAVIS…………………..43 NW AT 9:12 A.M. RMY 44
FASTEST MILE FOR YESTERDAY…………………33 WNW AT 9:09 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………32 WNW AT 9:14 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..32 WNW AT 9:14 A.M.
AVERAGE WIND SPEED AND DIRECTION………….19.8 WNW
ASOS………………….19.4
DAVIS…………………17.9 NW [310 deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE……-0.16
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….3.78 DEPARTURE……+0.04
ASOS…………….NA
TOTAL PRECIPITATION FOR THE YEAR………..9.28 DEPARTURE……+1.19
ASOS…………….NA
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…….-0.4
TOTAL SNOWFALL FOR THE MONTH……………31.5 DEPARTURE……+18.6
TOTAL SNOWFALL FOR THE SEASON…………..52.3 DEPARTURE…….+6.3
PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 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
2/1 40/25/33/+7/0.03/0.4/228/38 43 W AERO 44 W RMY 47
2/2 38/25/32/+6/T/T/265/44 36 WNW AERO 37 WNW RMY 36
2/3 30/19/25/-1/0.00/0.0/351/58 28 WNW AERO 29 WNW RMY 31
2/4 31/15/23/-3/0.00/0.0/590/97 31 WNW AERO 30 WNW RMY N/A
2/5 43/22/33/+7/0.00/0.0/092/15 38 SSW AERO 41 SSW RMY N/A
2/6 37/28/33/+7/0.00/0.0/503/82 41 WNW AERO 41 WNW RMY 43
2/7 37/30/34/+7/0.54/0.7/000/00 32 ENE AERO 31 ENE RMY 32
2/8 49/25/37/+10/T/0.0/136/22 25 W AERO 25 W RMY 31
2/9 35/8/22/-5/1.60/16.9/000/00 54 NNE AERO 53 NNE RMY 54 TSTM
2/10 24/7/16/-11/T/T/623/100 43 WNW AERO 50 WNW RMY 48
2/11 27/15/21/-6/0.14/2.9/000/00 21 SE AERO 20 SE RMY 19
2/12 32/17/25/-2/0.71/5.6/000/00 22 ENE AERO 28 ENE RMY N/A
2/13 32/20/26/-2/0.27/2.2/032/05 48 NW AERO 60 NW RMY 61
2/14 35/16/26/-2/0.00/0.0/…/.. 23 NW AERO 24 NW RMY 24
2/15 40/25/33/+5/0.17/1.2/…/.. 31 SE AERO 33 NW RMY N/A
2/16 33/23/28/0/0.17/1.6/…/.. 38 WNW AERO 38 WNW RMY 40
2/17 38/19/29/+1/0.00/0.0/…/.. 36 WNW AER0 35 WNW RMY 35
2/18 50/24/37/+8/0.00/0.0/…/.. 31 SSW AERO 33 SSW RMY 34
2/19 58/42/50/+21/0.00/0.0/…/.. 32 W AERO 33 W RMY 32
2/20 42/29/36/+7/0.00/0.0/…/.. 25 NW AERO 28 NW RMY 27
2/21 44/25/35/+6/0.00/0.0/…/.. 24 SSE AERO 22 SSW RMY 24
2/22 56/34/45/+16/T/0.0/…/.. 24 SSW AERO 24 SSW RMY N/A
2/23 67/40/54/+24/0.00/0.0/…/.. 36 SSW AERO 35 SSW RMY 37
2/24 71/47/59/+29/0.00/0.0/…/.. 41 SSW AERO 41 SSW RMY 44
2/25 68/44/56/+26/0.15/0.0/…/.. 37 WNW AERO 35 WNW RMY 46
2/26 44/25/36/+6/0.00/0.0/…/.. 46 WNW AERO 50 W RMY 44
2/27 Low temp since midnight is 26F; normal low is now 22F
DAILY RECORDS FOR FEBRUARY 2017
2/09/17: NEW DAILY RECORD MAXIMUM SNOWFALL OF 16.9 INS.
PREVIOUS RECORD WAS 14.0 INS. SET IN 2015
2/23/17: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 67F
PREVIOUS RECORD WAS 62F SET IN 1990
2/24/17: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 71F
PREVIOUS RECORD WAS 68F SET IN 1985
2/24/17: NEW DAILY RECORD HIGH MINIMUM TEMPERATURE OF 47F
PREVIOUS RECORD HIGH MINIMUM TEMPERATURE OF 43F
WAS SET IN 1930 AND TIED IN 1985 AND 2000
2/25/17: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 68F
PREVIOUS RECORD WAS 67F SET IN 1976
2/25/17: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 44F,
TIES PREVIOUS RECORD SET IN 1930
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR FEBRUARY 27
HIGH 61F IN 1976
LOW -8F IN 1900
PRECIP 1.43 INCHES IN 2013
SNOWFALL 6.0 INCHES IN 1922
PEAK GUST 67 MPH W IN 1985
RECORDS FOR FEBRUARY 28
HIGH 62F IN 1976
LOW -2F IN 1907,1934
PRECIP 1.79 INCHES IN 1958
SNOWFALL 8.5 INCHES IN 2005
PEAK GUST 88e MPH SSW IN 1943
TODAY’S REPORT PREPARED BY: Cecilia Borries-Strigle
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