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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, FEBRUARY 22, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
HIGH PRESSURE OVERSPREADS THE REGION,
CONDITIONS BACK TO SEASONABLE LEVELS
Following a much warmer than average weekend, temperatures dipped
back down into the 30s overnight, reaching 30F just before this
morning’s 7:00 AM EST observation. Temperatures yesterday made it
to the 50s for the second consecutive day reaching a maximum of 53F.
Blue skies and dry conditions have prevailed today, and by the
1:00 PM EST observation skies were still mostly sunny with only
some scattered stratocumulus above. Temperatures had leveled out
in the lowers 40s, reaching a maximum so far of 44F.
Today’s Observations:
7 A.M.
Weather: Clear, few stratocumulus/cumulus distant offshore NE-ESE,
second layer of stratocumulus in all directions
Temperature: 31F; Dew Point: 21F; Wind: NNW at 7 kts,
Sea-level pressure: 30.08 ins. Hg, increasing, then more quickly
Visibility: 75 miles
6-hr Max temp: 38F
6-hr Min temp: 30F
24-hr precip: 0.00 ins.
24-hr snowfall: 0.0 ins.
BHO SA 1155 CLR 75 185/31/21/3407/008/ FEW SC/CU DSNT OFFSHR NE-ESE
FEW SC ALQDS/ 8/800 53026 10038 20030
10 A.M.
Weather: Clear, few stratocumulus/cumulus distant SW-NW, few stratocumulus
distant offshore NE-SE, few altocumulus lenticularis E,
few altocumulus distant NW-NE
Temperature: 40F; Dew Point: 21F; Wind: estimated NW at 7 kts
Wind Direction: Variable, 250 varying 260 degrees
Sea-level pressure: 30.11 ins. Hg, rising, then more slowly
Visibility: 80 miles
BHO SA 1455 CLR 80 198/40/21/E3107/011/ FEW SC/CU DSNT SW-NW FEW SC DSNT
OFFSHR NE-SE FEW ACSL E FEW AC DSNT NW-NE WND 25V36/ 8/840 51013
1 P.M.
Weather: Scattered stratocumulus
Temperature: 43F; Dew Point: 22F; Wind: estimated NW at 6 kts
Wind Speed and Direction: Light and Variable
Sea-level pressure: 30.09 ins. Hg, rising, then falling and lower
Visibility: 75 miles
6-hr Max temp: 44F
6-hr Min temp: 31F
BHO SA 1755 40 SCT 75 189/43/22/E3106/009/ WND LGT AND VRB/ 8/500
58009 10044 20031
SUMMARY FOR SUNDAY, FEBRUARY 21, 2016
TEMPERATURE (DEGREES F)
MAX…..53 NORMAL…..38
MIN…..39 NORMAL…..20
MEAN….46 NORMAL…..29
DEPARTURE FROM 30-YEAR NORMAL……………………+17
TOTAL DEPARTURE FOR THE MONTH……………………+51 [+2.2 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..19 DEPARTURE………-17
TOTAL HEATING UNITS FOR THE MONTH………….740 DEPARTURE………-53
TOTAL HEATING UNITS FOR THE SEASON………..3482 DEPARTURE……..-841
TOTAL HEATING UNITS LAST SEASON TO DATE……4382 DIFFERENCE…….-900
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….39 WNW AT 4:56 A.M.
ASOS……………………39 WNW AT 4:57 A.M.
DAVIS…………………..37 W AT 4:56 A.M. RMY 39
FASTEST MILE FOR YESTERDAY…………………28 WNW AT 4:59 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………28 W AT 5:02 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..25 WNW AT 4:57 A.M.
AVERAGE WIND SPEED AND DIRECTION……………14.8 W
ASOS……………………13.5
DAVIS…………………..11.9 WNW [285 Deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE……-0.15
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….4.09 DEPARTURE……+1.13
ASOS…………..4.33
TOTAL PRECIPITATION FOR THE YEAR………..7.86 DEPARTURE……+0.55
ASOS…………..8.27
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…….-0.5
TOTAL SNOWFALL FOR THE MONTH……………22.5 DEPARTURE……+12.1
TOTAL SNOWFALL FOR THE SEASON…………..38.1 DEPARTURE…….-5.4
PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/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
2/1 64/40/52/+26/0.00/0.0/305/51 36 WNW AERO 37 W RMY 34
2/2 48/31/40/+14/0.00/0.0/602/100 23 NW AERO 23 WNW RMY N/A
2/3 55/34/45/+19/0.80/0.0/000/00 55 SSE AERO 58 SSE RMY 53
2/4 55/39/47/+21/…./0.0/000/00 37 W AERO 36 W RMY 35
2/5 39/19/29/+3/…./12.5/000/00 37 NNW AERO 39 NNW RMY 35
2/6 35/17/26/0/0.00/0.0/532/87 25 SSW AERO 24 SSW RMY 23
2/7 43/26/35/+8/0.00/0.0/…/.. 35 ENE AERO 35 ENE RMY N/A
2/8 36/16/26/-1/…./…/000/00 53 NE AERO 55 NE RMY 53
2/9 26/17/22/-5/…./…/000/00 21 N AERO 22 N RMY N/A
2/10 33/21/27/+0/0.01/0.0/…/.. 23 W AERO 23 W RMY 21
2/11 26/7/17/-10/T/T/…/.. 39 W AERO 47 W RMY 42
2/12 23/4/13/-14/0.00/0.0/…/.. 31 WNW AERO 38 WNW RMY 21
2/13 21/-7/7/-21/0.00/0.0/…/.. 41 W AERO 46 WNW RMY 43
2/14 10/-14/-2/-30/0.00/0.0/632/100 33 WNW AERO 46 WNW RMY N/A
2/15 32/-2/15/-13/…./1.2/…/.. 24 E AERO 28 E RMY N/A
2/16 55/32/44/+16/…./0.0/…/.. 65 SSE AERO 69 SSE RMY 64
2/17 43/30/37/+9/0.00/0.0/…/.. 33 W AERO 35 W RMY N/A
2/18 32/20/26/+3/0.00/0.0/…/.. 25 NNW AERO 29 NW RMY 25
2/19 39/16/28/-1/0.01/T/…/.. 24 SSW AERO 26 SSW RMY N/A
2/20 58/31/45/+16/…./…/…/.. 44 SSW AERO 44 SSW RMY 41
2/21 53/39/46/+17/0.00/0.0/…/.. 39 WNW AERO 43 WNW RMY 39
2/22 morning low temp. since midnight 30F; normal now 20F
DAILY RECORDS FOR FEBRUARY 2016
2/14/16: **NEW DAILY RECORD LOW MINIMUM TEMPERATURE OF -14F,
SURPASSING PREVIOUS RECORD OF -8F SET IN 1979**
2/14/16: **TIED DAILY RECORD LOW MAXIMUM TEMPERATURE OF 10F,
MATCHING PREVIOUS RECORD OF 10F SET IN 1979**
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR FEBRUARY 22
HIGH 63F IN 1997
LOW -1F IN 1918
PRECIP 1.38 INCHES IN 1900
SNOWFALL 8.0 INCHES IN 1893
PEAK GUST 74 MPH S IN 1974
RECORDS FOR FEBRUARY 23
HIGH 62F IN 1990
LOW -8F IN 1907
PRECIP 1.48 INCHES IN 1967
SNOWFALL 10.6 INCHES IN 1967
PEAK GUST 73 MPH WNW IN 1974
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
