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Wednesday, February 26, 2014

February 26, 2014

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, FEBRUARY…

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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, FEBRUARY 26, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME

COLD, CLOUDS AND FLURRIES DOMINATE AS ARCTIC AIR LOOKS
TO LINGER

Yesterday’s maximum of 27.0F was reached after 2:00 PM
which quickly receded back into the teens overnight. Tuesday’s
average temperature of 22 degrees was a full 8 degrees below
the daily normal and represents the first colder-than-average
day since the 19th.

This morning’s skies generally featured increasing alto and
cirrostratus with a brief 15 minute period of flurries. Overcast
skies quickly dissipated to the N and W while the temperatures
remained suppressed in the upper teens to lower 20s.

By the 1:00 PM observation virga was visible to the SSW-NNE with
several layers of clouds on the increase once more. Visibility
was 45 miles in all directions, with a day-time maximum of 28.5F
reached so far.

Today’s Observations:

7 A.M.
Weather: Broken altostratus, broken cirrostratus,
few stratus in all quadrants, few altostratus
lenticularis NW and NNE, breaks in overcast distant N
Temperature: 14F; Dew Point: 6F; Wind: S at 5 kts
Wind: Wind Light
Sea-level pressure: 29.88 ins. Hg, decreasing, then more quickly
Visibility: 50 miles
6-hr min temp: 15F
6-hr max temp: 13F
Snow depth: 6 inches
BHO SA 1155 E180 BKN 250 BKN 50 118/14/6/E1805/988/ FEW ST ALQDS
FEW ACSL NW AND NNE BINOVC DSNT N WND LGT/ 8/616 4/006 58016
10015 20013

10 A.M.
Weather: Broken altostratus, thin overcast of cirrostratus,
sun dimly visible
Temperature: 22F Dew Point: 4F; Wind: SW at 7 kts
Sea-level pressure: 29.88 ins. Hg, steady, then falling
Visibility: 45 miles
BHO SA 1455 E50 BKN 250 –OVC 45 117/22/4/2307/988/
THN OVC DSNT W-WNW SUN DMLY VSBL/ 8/016 58001

1 P.M.
Weather: Broken cumulus, broken stratocumulus,
broken altocumulus, broken cirrostratus, virga distant SSW-NNE
Temperature: 28F; Dew Point: 9F; Wind: W at 11G23 kts
Sea-level pressure: 29.80 Hg, decreasing, then more quickly
Visibility: 45 miles
6-hr max. temp: 29F
6-hr min. temp: 14F
6-hr snow: trace
BHO SA 1755 E50 BKN 70 BKN 140 BKN 200 BKN 45 091/28/9/2611G23/
980/ VIRGA DSNT SSW-NNE NEW SNW PST 6 HRS TRACE/ 8/118 58026
6000/ 10029 20014

WEATHER SUMMARY FOR TUESDAY, FEBRUARY 25, 2014

TEMPERATURE (DEGREES F)
MAX…..27    NORMAL…..39
MIN…..16    NORMAL…..21
MEAN….22    NORMAL…..30

DEPARTURE FROM 30-YEAR NORMAL…………………….-8
TOTAL DEPARTURE FOR THE MONTH…………………….+3 [-0.1 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..43  DEPARTURE……….+8
TOTAL HEATING UNITS FOR THE MONTH………….929  DEPARTURE……….-5
TOTAL HEATING UNITS FOR THE SEASON………..4446  DEPARTURE………-18
TOTAL HEATING UNITS LAST SEASON TO DATE……4038  DIFFERENCE…….+408

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………37  W   AT   2:18 P.M.
AERO…………………..39  W   AT   2:18 P.M.
ASOS…………………..38  W   AT   2:19 P.M.
DAVIS………………….35  WNW AT   2:07 P.M.  RMY 35
FASTEST MILE FOR YESTERDAY………………..29  W   AT   2:20 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..29  W   AT   2:09 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….26  W   AT   2:08 P.M.
AVERAGE WIND SPEED AND DIRECTION…………  14.5 W
ASOS…………………..14.5
DAVIS………………….12.9 W [272 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……….5.39   DEPARTURE………….+1.81
ASOS…………..5.55
TOTAL PRECIPITATION FOR THE YEAR………..10.01  DEPARTURE………….+2.08
ASOS…………..10.46

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…………..-0.5
TOTAL SNOWFALL FOR THE MONTH……………32.0  DEPARTURE………….+19.5
TOTAL SNOWFALL FOR THE SEASON…………..80.8  DEPARTURE………….+35.2

PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST
AERO: Aerovane wind recording system gust
RMY:  RMY = R.M. Young wind gust recording system added 8/9/2011
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized

2/1  45/30/38/+12/0.00/0.0/402/67         24 S   AERO 23 MPH S   RMY 25
2/2  53/33/43/+17/0.00/0.0/181/30         22 S   AERO 21 MPH WNW RMY 21
2/3  36/22/29/+3/0.32/2.8/000/00          22 NNE AERO 18 MPH NNE RMY 21
2/4  33/18/26/0/0.00/0.0/377/62           20 NW  AERO 16 MPH NW  RMY 17
2/5  31/21/26/0/1.32/10.7/000/00          32 ENE AERO 30 MPH ENE RMY 30
2/6  26/15/21/-5/0.02/0.4/398/65          22 WNW AERO 21 MPH WNW RMY 22
2/7  29/13/21/-6/0.00/0.0/615/100         25 W   AERO 23 MPH W   RMY 27
2/8  28/12/20/-7/0.00/0.0/612/99          24 W   AERO 23 MPH W   RMY 23
2/9  28/19/24/-3/0.05/1.0/112/18          21 N   AERO 17 MPH N   RMY 19
2/10 27/14/21/-6/0.00/0.0/617/99          28 NW  AERO 28 MPH NW  RMY 30
2/11 24/8/16/-11/0.00/0.0/625/100         22 WNW AERO 20 MPH WNW RMY 25
2/12 25/2/14/-13/0.00/0.0/509/81          25 NNW AERO 23 MPH NW  RMY 21
2/13 33/19/26/-2/1.67/5.0/000/00          46 NE  AERO 51 MPH NE  RMY 51
2/14 34/27/31/+3/0.39/0.4/348/55          48 W   AERO 51 MPH WNW RMY 49
2/15 34/27/31/+3/0.68/7.2/025/04          35 NW  AERO 35 MPH NW  RMY 48
2/16 30/18/24/-4/0.03/0.4/549/86          45 NW  AERO 46 MPH NW  RMY N/A
2/17 27/9/18/-10/0.00/0.0/635/99          38 NW  AERO 38 MPH NW  RMY 41
2/18 32/12/22/-7/0.32/4.0/000/00          27 ESE AERO 25 MPH WNW RMY 28
2/19 35/20/28/-1/0.25/0.1/…/..          21 W   AERO 20 MPH ESE RMY 26
2/20 48/30/39/+10/…./…/…/..         26 WNW AERO 28 MPH W   RMY 26
2/21 49/33/41/+12/…./0.0/…/..         32 S   AERO 35 MPH S   RMY 35
2/22 50/33/42/+13/0.00/0.0/…/..         38 SSW AERO 39 MPH SSW RMY 42
2/23 50/36/43/+13/0.00/0.0/…/..         25 SW  AERO 27 MPH SW  RMY 29
2/24 40/20/30/0/0.00/0.0/…/..           48 WNW AERO 50 MPH WNW RMY 49
2/25 27/16/22/-8/0.00/0.0/…/..          37 W   AERO 38 MPH W   RMY 35

2/26 morning low temp: 13F; the normal low is now 21F

DAILY RECORDS FOR FEBRUARY 2014
None so far.

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR FEBRUARY 26
HIGH 67F IN 1957
LOW -7F IN 1928
PRECIP 2.24 INCHES IN 1979
SNOWFALL 11.1 INCHES IN 1933
PEAK GUST 66 MPH W IN 1961

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

TODAY’S REPORT PREPARED BY: Brian Fitzgerald

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Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
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