Tuesday, February 25, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, FEBRUARY 25, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
CLOUDS ON THE INCREASE FOLLOWING A BREEZY AND COLD
EVENING.
Temperatures slid yesterday as an Arctic air mass entered
New England, forcing the mercury downward from a maximum of
40F just after midnight. Winds overnight strengthened from
the WNW gusting to a peak of 48 MPH.
By 7:00 AM this morning a minimum temperature of 16.4F was
recorded with winds beginning to ease off from the W and
only a few cirrus fibratus and cirrostratus lenticularis.
By 1:00 PM a maximum of 25.7F had been recorded with
stratocumulus overspreading more than half of the sky.
Today’s Observations:
7 A.M.
Weather: Few cumulus distant offshore NNE-ESE,
few stratocumulus distant WSW, few cirrus fibratus and
cirrostratus lenticularis overhead.
Temperature: 17F; Dew Point: 7F; Wind: W at 11 kts
Sea-level pressure: 29.98 ins. Hg, increasing, then more quickly
Visibility: 50 miles
6-hr min temp: 20F
6-hr max temp: 16F
Snow depth: 6 inches
BHO SA 1155 CLR 50 153/17/7/2611/998/ FEW CU DSNT OFFSHR NNE-ESE
FEW SC DSNT WSW FEW CI AND CCSL OVHD/ 8/104 4/006 51005 10020 20016
10 A.M.
Weather: Scattered cumulus, broken altostratus, broken
cirrostratus, sun dimly visible, breaks in overcast distant NNE
Temperature: 21F Dew Point: 11F; Wind: W at 15G22 kts
Peak Wind: 27 kts W @ 9:30 AM
Sea-level pressure: 29.98 ins. Hg, steady, then falling
Visibility: 50 miles
BHO SA 1455 40 SCT E120 BKN 180 BKN 50 151/21/11/2815G22/998/
SUN DMLY VSBL BINOVC DSNT NNE PK WND 2727/30/ 8/116 58002
1 P.M.
Weather: Broken stratocumulus/stratus, broken cirrus fibratus
Temperature: 24F; Dew Point: 7F; Wind: W at 15G25 kts,
Peak Wind: 26 kts W at 12:26 PM
Sea-level pressure: 29.91 Hg, decreasing, then more quickly
Visibility: 50 miles
6-hr max. temp: 26F
6-hr min. temp: 17F
BHO SA 1755 E50 BKN 200 BKN 50 130/24/7/2615G25/991/
PK WND 2626/26/ 8/401 58021 10026 20017
WEATHER SUMMARY FOR MONDAY, FEBRUARY 24, 2014
TEMPERATURE (DEGREES F)
MAX…..40 NORMAL…..39
MIN…..20 NORMAL…..21
MEAN….30 NORMAL…..30
DEPARTURE FROM 30-YEAR NORMAL…………………..+/-0
TOTAL DEPARTURE FOR THE MONTH……………………+11 [+0.3 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..35 DEPARTURE……..+/-0
TOTAL HEATING UNITS FOR THE MONTH………….886 DEPARTURE………-13
TOTAL HEATING UNITS FOR THE SEASON………..4403 DEPARTURE………-27
TOTAL HEATING UNITS LAST SEASON TO DATE……4007 DIFFERENCE…….+396
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………48 WNW AT 8:47 P.M.
AERO…………………..50 WNW AT 8:43 P.M.
ASOS…………………..50 WNW AT 8:47 P.M.
DAVIS………………….48 W AT 8:46 P.M. RMY 49
FASTEST MILE FOR YESTERDAY………………..32 WNW AT 8:46 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..32 WNW AT 8:48 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….30 WNW AT 8:56 P.M.
AVERAGE WIND SPEED AND DIRECTION………… 17.3 WNW
ASOS…………………..17.7
DAVIS………………….14.8 W [284 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………….+1.97
ASOS…………..5.55
TOTAL PRECIPITATION FOR THE YEAR………..10.01 DEPARTURE………….+2.24
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………….+20.0
TOTAL SNOWFALL FOR THE SEASON…………..80.8 DEPARTURE………….+35.7
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 morning low temp: 16F; 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 25
HIGH 67F IN 1976
LOW -10F IN 1894
PRECIP 2.40 INCHES IN 1981
SNOWFALL 13.6 INCHES IN 1966
PEAK GUST 75 MPH S IN 1965
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
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
