Saturday, March 1, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SATURDAY, MARCH 1, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
MOSTLY SUNNY AND WARMER TODAY WITH INCREASING CLOUDS…
FEBRUARY 2014 AND WINTER 2013-2014 END COLDER, WETTER
AND SNOWIER THAN 30-YEAR NORMAL…DEC-FEB WINTER SNOWFALL
OF 81.6 INCHES IS NINTH HIGHEST ON RECORD…
It was another cold morning on the summit with a low of 11.7F
before sunrise, though there was a strong inversion in place
indicated by the minimum of 1F at Norwood Airport early today.
The sky was nearly completely clear very early this morning,
then high thin cirrus clouds that advanced through the morning
began to be replaced by denser cirrostratus early this afternoon.
February 2014 finished colder than the 1981-2010 30-year average
temperature with a NWS mean of 26.5F and a 24-hour adjusted mean
of 26.4F. The preliminary monthly stats for February and Dec-Feb
are listed below.
THE PRELIMINARY FEBRUARY 2014 STATS
[Departures are relative to the 1981-2010 averages]TEMPERATURE: Deg. F
Avg. Max. 34.0 [-2.8]
Avg. Min. 18.9 [-0.2]
Mean 26.5 [-1.4]
24-hr. adjusted mean: 26.4
Max. temp: 53F on 2nd
Min. temp: 2F on 12th
Total heating degree day units: 1074 [+37]
Total seasonal heating units: 4591 [+23] [Season starts 7/1 ]
Seasonal total this date 2013: 4120 [471 more than last season]
PRECIPITATION: Inches
Total: 5.47 [+1.40]
Greatest in 24 hours: N/A
Total snowfall: 33.0 [+19.1]
Greatest in 24 hours: N/A
WIND
Av. speed (uncorrected): 12.2 mph
Av. speed (corrected): 12.6 mph
Prevailing direction: W 19%
Peak gust: 48 mph W on 14th and WNW on 24th
SUNSHINE
Total astronomical minutes: N/A
Total Campbell Stokes card minutes: N/A
PRELIMINARY WINTER (DEC-FEB) STATS FOR 2013-2014
[Departures are relative to the 1981-2010 averages]TEMPERATURE: Deg. F
Avg. Max. 35.1 [-1.5]
Avg. Min. 19.8 [-0.1]
Mean 27.5 [-0.7]
24-hr. adjusted mean: 27.3
PRECIPITATION: Inches
Total: 15.36 [+2.05]
Snowfall: 81.6 [+37.2]
BHO Snowiest Dec-Feb, inches (1885-2014)
1) 117.4 in 1947-48
2) 91.2 in 1995-96
3) 89.6 in 2010-11
4) 89.0 in 1922-23
5) 86.4 in 2004-05
6) 85.8 in 2002-03
7) 82.7 in 1903-04
8) 81.9 in 1993-94
9) 81.6 in 2013-14
BHO Snowiest Oct-Feb, inches (1885-2014)
1) 122.2 in 1947-48
2) 97.0 in 1995-96
3) 95.3 in 2002-03
4) 94.2 in 2004-05
5) 90.6 in 1922-23
6) 89.7 in 2010-11
7) 87.8 in 1945-46
8) 86.5 in 1903-04
9) 82.2 in 1993-94
10) 81.8 in 2013-14
Today’s Observations:
7 A.M.
Weather: Thin scattered cirrus, few lower dense cirrus distant NW-N,
smoke layer below inversion WNW-NW, dense smoke below inversion NW,
light haze
Temperature: 17F; Dew Point: -4F; Wind: S at 5 kts
Sea-level pressure: 30.42 ins. Hg, rising, then steady
Visibility: 55 miles, light haze
6-hr min temp: 12F
6-hr max temp: 17F
Snow depth: 7 inches
BHO SA 1155 250 –SCT 55 301/17/-4/1805/042/ FEW LWR DNS CI DSNT
NW-N K LYR BLO INVSN WNW-NE DNS K BLO INVSN NW LGT HZ WND LGT/
8/001 4/007 50003 10017 20012
10 A.M.
Weather: Scattered dense cirrus, thin broken cirrus, few cumulus
froming distant ENE-S, few altocumulus lenticularis distant NW-NNE,
hazy
Temperature: 25F Dew Point: 1F; Wind: S at 10 kts,
Sea-level pressure: 30.41 ins. Hg, falling
Visibility: 45 miles, hazy
BHO SA 1455 200 SCT 250 –BKN 45 297/25/1/1810/041/ FEW CU FRMG DNST
ENE-S FEW ACSL DSNT NW-NNE HAZY/ 8/141 58004
1 P.M.
Weather: Scattered dense cirrus, thin broken cirrus fibratus, few
cumulus distant SE-SSW, few altocumulus lenticularis distant NNW-N,
light haze
Temperature: 32F; Dew Point: 15F; Wind: SSW at 13G19 kts,
Sea-level pressure: 30.30 Hg, falling, then more quickly
Visibility: 50 miles, light haze
6-hr max. temp: 33F
6-hr min. temp: 17F
BHO SA 1755 200 SCT 250 –BKN 50 262/32/15/2113G19/030/ FEW CU DSNT
SE-SSW FEW ACSL DSNT NNW-N LGT HZ/ 8/141 58035 10033 20017
WEATHER SUMMARY FOR FRIDAY, FEBRUARY 28, 2014
TEMPERATURE (DEGREES F)
MAX…..23 NORMAL…..40
MIN……5 NORMAL…..22
MEAN….14 NORMAL…..31
DEPARTURE FROM 30-YEAR NORMAL……………………-17
TOTAL DEPARTURE FOR THE MONTH……………………-39 [-1.6 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..51 DEPARTURE………+17
TOTAL HEATING UNITS FOR THE MONTH…………1074 DEPARTURE………+37 *
TOTAL HEATING UNITS FOR THE SEASON………..4591 DEPARTURE………+23 *
TOTAL HEATING UNITS LAST SEASON TO DATE……4120 DIFFERENCE…….+471
* Monthly and seasonal totals and departures corrected.
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………36 W AT 12:24 A.M.
AERO…………………..37 W AT 12:24 A.M.
ASOS…………………..38 W AT 12:25 A.M.
DAVIS………………….37 WNW AT 12:12 A.M. RMY 27
FASTEST MILE FOR YESTERDAY………………..28 W AT 12:07 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..28 W AT 12:26 AM.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….25 W AT 12:26 A.M.
AVERAGE WIND SPEED AND DIRECTION…………12.5 W
ASOS…………………12.3
DAVIS………………..10.5 WNW [282 deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE………….-0.17
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….5.47 DEPARTURE………….+1.39 *
ASOS…………..5.61
TOTAL PRECIPITATION FOR THE YEAR……….10.09 DEPARTURE………….+1.67 *
ASOS………….10.52
* Monthly and yearly totals and departures corrected.
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…………..-0.5
TOTAL SNOWFALL FOR THE MONTH……………33.0 DEPARTURE………….+19.1
TOTAL SNOWFALL FOR THE SEASON…………..81.8 DEPARTURE………….+34.8
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/T/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/T/T/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/-1/0.25/0.1/168/26 21 W AERO 20 MPH ESE RMY 26
2/20 48/30/39/+10/0.13/T/487/75 26 WNW AERO 28 MPH W RMY 26
2/21 49/33/41/+12/0.22/0.0/000/00 32 S AERO 35 MPH S RMY 35 TSTM
2/22 50/33/42/+13/0.00/0.0/655/100 38 SSW AERO 39 MPH SSW RMY 42
2/23 50/36/43/+13/0.00/0.0/290/44 25 SW AERO 27 MPH SW RMY 29
2/24 40/20/30/0/0.00/0.0/495/75 48 WNW AERO 50 MPH WNW RMY 49
2/25 27/16/22/-8/0.00/0.0/431/65 37 W AERO 38 MPH W RMY 35
2/26 29/9/19/-11/T/T/180/27 30 WSW AERO 30 MPH WSW RMY 31
2/27 27/7/17/-14/0.07/1.0/…/.. 44 WNW AERO 44 MPH WNW RMY 45
2/28 23/5/14/-17/0.00/0.0/…/.. 36 W AERO 37 MPH W RMY N/A
3/1 morning low temp: 12F; the normal low is now 22F
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 MARCH 1
HIGH 62 IN 1972
LOW -3 IN 1886
PRECIP 1.65 INS. IN 1900
SNOWFALL 9.4 INS. IN 1949
PEAK GUST 78 WSW IN 1966
RECORDS FOR MARCH 2
HIGH 63 IN 2004
LOW -3 IN 1886
PRE 2.15 INS. IN 1983
SNOW 8.2 INS. IN 2009
WIND 75 MPH NW IN 1966
TODAY’S REPORT PREPARED BY: Mike Iacono
