Sunday, February 23, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
SUNDAY, FEBRUARY 23, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
ALTO/CIRROSTRATUS ENCROACHES FROM THE WEST AS HIGHS FLIRT WITH
THE 50 DEGREE MARK FOR A SECOND DAY IN A ROW.
Saturday’s abundant sunshine, warmth and excellent visibilities
were a welcome reprieve ahead of another stretch of cold weather.
Yesterday’s official maximum temperature of 50.3 degrees occurred
with nearly cloudless skies and breezy winds from primarily the SW.
The mercury sank to 36.4F for an overnight low and by 7:00 AM
this morning the temperature had only risen 37.4F under
increasingly cloudy skies with cirrus and cirrostratus
approaching from the south and west.
At 1:00 PM a maximum of 50.2F had been reached with thickening
and lowering altostratus and visibilities of 70 miles.
Today’s Observations:
7 A.M.
Weather: Broken cirrostratus, broken cirrus fibratus,
few altocumulus lenticularis distant N
Temperature: 37F; Dew Point: 27F; Wind: SSW at 9 kts
Sea-level pressure: 30.01 ins. Hg, decreasing, then increasing
Visibility: 40 miles, light distant haze
6-hr min temp: 41F
6-hr max temp: 36F
Snow depth: 7 inches
BHO SA 1155 E200 BKN 250 BKN 40 162/37/27/2109/001/
FEW ACSL DSNT N LGT DSNT HZ ALQDS/ 8/044 4/007 53003 10041 20036
10 A.M.
Weather: Broken altostratus, broken cirrus fibratus,
altocumulus lenticularis distant NNW
Temperature: 42F Dew Point: 28F; Wind: SW at 4 kts
Wind: Wind speed light
Sea-level pressure: 29.99 ins. Hg, increasing, then decreasing
Visibility: 60 miles
BHO SA 1455 E100 BKN 250 BKN 60 157/42/28/E2204/999/
FEW ACSL DSNT NNW WND LGT/ 8/046 58005
1 P.M.
Weather: Broken altostratus, overcast cirrostratus,
few cumulus distant ENE, few altostratus lenticularis,
sun dimly visible
Temperature: 49F; Dew Point: 23F; Wind: SW at 3 kts
Wind: Light and Variable
Sea-level pressure: 29.93 Hg, decreasing, then more quickly
Visibility: 70 miles
6-hr max. temp: 50F
6-hr min. temp: 37F
BHO SA 1755 E100 BKN 200 OVC 70 135/49/23/E2303/993/
FEW CU DSNT ENE FEW ACSL DSNT S WND LGT AND VRB
SUN DMLY VSBL/ 8/116 58022 10050 20037
WEATHER SUMMARY FOR SATURDAY, FEBRUARY 22, 2014
TEMPERATURE (DEGREES F)
MAX…..50 NORMAL…..38
MIN…..33 NORMAL…..20
MEAN….42 NORMAL…..29
DEPARTURE FROM 30-YEAR NORMAL……………………+13
TOTAL DEPARTURE FOR THE MONTH…………………….-2 [-0.3 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..23 DEPARTURE………-13
TOTAL HEATING UNITS FOR THE MONTH………….829 DEPARTURE……….+1
TOTAL HEATING UNITS FOR THE SEASON………..4346 DEPARTURE………-13
TOTAL HEATING UNITS LAST SEASON TO DATE……3944 DIFFERENCE…….+402
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………38 SSW AT 2:52 P.M.
AERO…………………..39 SSW AT 3:46 P.M. *
ASOS…………………..41 SW AT 2:51 P.M.
DAVIS………………….40 SSW AT 2:51 P.M. RMY 42
FASTEST MILE FOR YESTERDAY………………..29 SSW AT 2:49 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..31 SSW AT 2:51 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….30 SSW AT 2:51 P.M.
AVERAGE WIND SPEED AND DIRECTION………… 17.0 SW
ASOS………………….16.8
DAVIS…………………15.5 SW [220 deg.]
* last of several occurrences…
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE………….-0.14
ASOS…………..0.20
TOTAL PRECIPITATION FOR THE MONTH……….5.39 DEPARTURE………….+2.29
ASOS…………..5.55
TOTAL PRECIPITATION FOR THE YEAR………..10.01 DEPARTURE………….+2.56
ASOS…………..10.46
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…………..-0.6
TOTAL SNOWFALL FOR THE MONTH……………32.0 DEPARTURE………….+21.0
TOTAL SNOWFALL FOR THE SEASON…………..80.8 DEPARTURE………….+36.7
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 morning low temp: 36F; the normal low is now 20F
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 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
RECORDS FOR FEBRUARY 24
HIGH 68F IN 1985 [RECORD FOR MONTH]
LOW -11F IN 1894
PRECIP 3.10 INCHES IN 1969
SNOWFALL 27.4 INCHES IN 1969 [HIGHEST CALENDAR DAY AMOUNT ON RECORD]
PEAK GUST 63 MPH NE IN 1998
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
