Tuesday, March 8, 2016
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
TUESDAY, MARCH 8, 2016
ALL TIMES ARE IN EASTERN STANDARD TIME
WARM-UP UNDER WAY, TEMPS REACH THE 50S BY MID DAY
Temperatures stayed above the freezing mark overnight last
night after reaching a daytime maximum reading of 49F yesterday
afternoon. This morning temperatures dipped to a minimum of
35F, some 11 degrees warmer than today’s daily norm.
Completely clear, yet thinly foggy skies this morning have
given way to mostly clear conditions this afternoon. During
the 1:00 PM EST observation only high cirrus and cirrocumulus
were visible in the distance with hazy conditions limiting
visibility to just 25 miles in all directions. Temperatures
had reached a maximum reading of 53F so far.
With a warm end to the month of February, the average monthly
temperature of 32.2F is the 11th warmest February on record,
and when combined with the warmest December on record and a
warm month of January, this winter just barely became the warmest
on record with an average temperature of 34.9F.
BHO Warmest Februarys, deg F (1885-2016):
1) 34.9 in 1984
2) 34.3 in 2012
3) 34.0 in 1998
4) 33.9 in 1954
33.9 in 1981
6) 33.7 in 1976
7) 33.6 in 1997
33.6 in 2002
9) 33.1 in 1925
10) 32.6 in 1991
11) 32.2 in 2016
12) 31.9 in 1960
31.9 in 1999
BHO Warmest Winters, deg F (1885-2016):
1) 34.9 in 2015-2016
2) 34.8 in 2001-2002
3) 34.3 in 2011-2012
4) 32.6 in 1997-1998
5) 32.3 in 1936-1937
32.3 in 1998-1999
PRELIMINARY STATS FOR FEBRUARY 2016
TEMPERATURE, Deg. F
Avg. Max. 42.2 [+5.4]
Avg. Min. 22.5 [+3.4]
Mean 32.4 [+4.5]
24-hour Corrected Mean: 32.2
Max. for month: 64 on 1st
Min. for month: -14 on 14th
HEATING DEGREE DAYS
Total heating units: 941 [-130]
Total for the season: 3683 [-919]
Total for last season: 4708
PRECIPITATION, Inches
Total: 5.60 [+1.53]
Greatest in 24 hrs: 1.70 on the 4th-5th
Snowfall: 22.5 [+8.6]
Greatest in 24 hrs: 12.5 on the 5th
WIND, mph
Avg. uncorrected wind speed: 14.4
Avg. corrected wind speed: 14.7
Prevailing wind direction: WNW @ 14%
Peak gust and direction: 76 S on the 25th
SUNSHINE:
Campbell-Stokes card minutes: 9,000 out of possible 17,796 or 51%
Astronomical total minutes: 9,302 out of possible 18,418 or 51%
Today’s Observations:
7 A.M.
Weather: Clear, sky completely clear
Temperature: 37F; Dew Point: 22F; Wind: N at 10 kts
Sea-level pressure: 30.15 ins. Hg, rising, then more quickly
Visibility: 20 miles, thin fog in all directions, hazy
6-hr Max temp: 39F
6-hr Min temp: 35F
24-hr precip: 0.00
24-hr snowfall: 0.00 inch
BHO SA 1155 CLR 20 210/37/32/3610/015/ SKC THN FG ALQDS HAZY/
8/000 53015 10039 20035
10 A.M.
Weather: Thin broken cirrus
Temperature: 48F; Dew Point: 32F; Wind: estimated N at 6 kts,
Wind Speed and Direction: Light and Variable
Sea-level pressure: 30.18 ins. Hg, risng, then falling but higher still
Visibility: 20 miles, thin fog in all directions, hazy
BHO SA 1455 E250 -BKN 20 219/48/32/E0106/018/ THN FG ALQDS HAZY
WND LGT AND VRB/ 8/001 50009
1 P.M.
Weather: Clear, few cirrocumulus distant SSW-WNW,
few cirrus distant N-SE
Temperature: 53F; Dew Point: 33F; Wind: estimated N at 4 kts,
Wind Speed: Light
Sea-level pressure: 30.16 ins. Hg, falling, then more quickly
Visibility: 25 miles, hazy
6-hr Max temp: 53F
6-hr Min temp: 37F
BHO SA 1755 CLR 25 213/53/33/E3604/016/ FEW CC DSNT SSW-WNW FEW CI
DSNT N-SE HAZY WND LGT/ 8/009 58006 10053 20037
SUMMARY FOR MONDAY, MARCH 7, 2016
TEMPERATURE (DEGREES F)
MAX…..49 NORMAL…..42
MIN…..29 NORMAL…..24
MEAN….39 NORMAL…..33
DEPARTURE FROM 30-YEAR NORMAL…………………….+6
TOTAL DEPARTURE FOR THE MONTH…………………….+4 [+0.4 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..26 DEPARTURE……….-6
TOTAL HEATING UNITS FOR THE MONTH………….228 DEPARTURE……….-4
TOTAL HEATING UNITS FOR THE SEASON………..3911 DEPARTURE……..-889
TOTAL HEATING UNITS LAST SEASON TO DATE……4984 DIFFERENCE……-1073
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….43 SSW AT 1:08 P.M.
ASOS……………………43 SSW AT 1:08 P.M.
DAVIS…………………..43 SSW AT 1:07 P.M. RMY 45
FASTEST MILE FOR YESTERDAY…………………30 SSW AT 1:08 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………30 SSW AT 1:09 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..29 SSW AT 12:41 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..14.6 SSW
ASOS…………………..14.1
DAVIS………………….13.5 SSW [204 Deg.]
* Last of several occurrences.
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……….0.45 DEPARTURE……-0.76
ASOS…………..0.48
TOTAL PRECIPITATION FOR THE YEAR………..9.82 DEPARTURE……+0.19
ASOS………….10.44
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0 DEPARTURE…….-0.5
TOTAL SNOWFALL FOR THE MONTH…………….0.5 DEPARTURE…….-3.1
TOTAL SNOWFALL FOR THE SEASON…………..38.6 DEPARTURE……-12.5
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/+21/0.08/0.0/000/00 37 W AERO 36 W RMY 35
2/5 39/19/29/+3/1.62/12.5/000/00 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/+8/0.00/0.0/577/94 35 ENE AERO 35 ENE RMY N/A
2/8 36/16/26/-1/0.60/8.7/000/00 53 NE AERO 55 NE RMY 53
2/9 26/17/22/-5/T/T/000/00 21 N AERO 22 N RMY N/A
2/10 33/21/27/+0/0.01/0.1/006/01 23 W AERO 23 W RMY 21
2/11 26/7/17/-10/T/T/131/21 39 W AERO 47 W RMY 42
2/12 23/4/13/-14/0.00/0.0/433/69 31 WNW AERO 38 WNW RMY 21
2/13 21/-7/7/-21/0.00/0.0/459/73 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/-13/0.23/1.2/178/28 24 E AERO 28 E RMY N/A
2/16 55/32/44/+16/0.74/0.0/006/01 65 SSE AERO 69 SSE RMY 64
2/17 43/30/37/+9/0.00/0.0/576/90 33 W AERO 35 W RMY N/A
2/18 32/20/26/+3/0.00/0.0/637/99 25 NNW AERO 29 NW RMY 25
2/19 39/16/28/-1/0.01/T/452/70 24 SSW AERO 26 SSW RMY N/A
2/20 58/31/45/+16/T/T/363/56 44 SSW AERO 44 SSW RMY 41
2/21 53/39/46/+17/0.00/0.0/475/73 39 WNW AERO 43 WNW RMY 39
2/22 45/29/37/+8/0.00/0.0/608/93 18 NW AERO 20 NW RMY 17
2/23 37/25/31/+1/0.01/T/000/00 26 E AERO 26 E RMY N/A
2/24 60/33/47/+17/0.70/0.0/000/00 60 S AERO 66 S RMY N/A
2/25 63/37/50/+15/0.80/0.0/218/33 76 S AERO 84 S RMY N/A
2/26 38/22/30/0/0.00/0.0/665/100 42 WNW AERO 44 WNW RMY 41
2/27 38/16/27/-4/0.00/0.0/654/98 31 SSW AERO 31 SSW RMY 33
2/28 56/34/45/+14/0.00/0.0/335/50 32 S AERO 37 SSW RMY N/A
2/29 63/41/52/+21/T/0.0/458/68 39 W AERO 41 W RMY N/A
3/1 45/30/38/+7/0.00/0.0/…/.. 54 W AERO 60 W RMY 53
3/2 52/21/37/+6/0.41/0.0/…/.. 44 WNW AERP 47 NW RMY 42
3/3 34/16/25/-7/0.00/0.0/…/.. 30 WNW AERO 36 WNW RMY N/A
3/4 30/24/27/-5/…./…/…/.. 32 N AERO 38 N RMY 34
3/5 35/20/28/-4/0.00/0.0/…/.. 31 N AERO 36 N RMY N/A
3/6 40/25/33/+1/0.00/0.0/…/.. 21 SSE AERO 21 SSE RMY N/A
3/7 49/29/39/+6/0.00/0.0/…/.. 43 SSW AERO 48 SSW RMY 45
3/8 morning low temp. since midnight 35F; normal now 24F
DAILY RECORDS FOR FEBRUARY & MARCH 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**
2/25/16: **NEW DAILY RECORD PEAK WIND GUST OF 76 MPH S,
SURPASSING PREVIOUS RECORD OF 75 MPH S IN 1965**
2/29/16: **NEW DAILY RECORD MAXIMUM TEMPERATURE OF 63F,
BREAKS PREVIOUS RECORD OF 56F SET BACK IN 1976**
2/29/16: **DAILY RECORD HIGH MINIMUM OF 41F TIES RECORD
SET IN 1896**
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR MARCH 8
HIGH 66 IN 2012
LOW 2 IN 1986
PRECIP 2.20 INS. IN 2008
SNOWFALL 8.3 INS. IN 1941
PEAK GUST 69 MPH SSW IN 2008
RECORDS FOR MARCH 9
HIGH 71 IN 2000
LOW 1 IN 2007
PRECIP 2.67 INS. IN 1998
SNOWFALL 6.3 INS. IN 2001
PEAK GUST 102e MPH S IN 1942 [RECORD FOR MONTH]
TODAY’S REPORT PREPARED BY: Brian Fitzgerald