Monday, February 23, 2015
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, FEBRUARY 23, 2015
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNDAY TEMPERATURES BREAK 27 DAY STREAK OF CONSECUTIVE DAYS
BELOW NORMAL, MAX OF 39F REACHED BEFORE TEMPS TUMBLE THROUGH
THE NIGHT
Yesterday’s average temperature was 33F, 4 degrees above
the daily norm. This marks the end of the 27 day streak
dating back to January 25th, and the longest such
streak since 1989, and the second longest since 1950.
See the list below:
Longest Period of Consecutive Days Below Normal
Daily Temperature (1950-2015):
1) 32 on 29 Nov to 30 Dec 1989
2) 27 on 26 Jan to 21 Feb 2015
3) 21 on 8 Jan to 28 Jan 1982
4) 20 on 30 Dec 1980 to 18 Jan 1981
20 on 7 Feb to 26 Feb 1968
6) 19 on 18 Jan to 5 Feb 1961
19 on 2 Apr to 20 Apr 2007
Today’s maximum temperature, 28F as of 1:00 AM EST, will
likely stay the 24 hours maximum as temperatures have
slid throughout today. Clearing skies and increased visibility
were present throughout this morning as well, as winds ramped
up in the up 30 MPH range. By the 1:00 PM EST observation
temperatures had fallen to 17F and climbed back up to 20F.
Snow for the season now totals 133.8 inches, placing
this season at Blue Hill firmly in third place on the
list of snowiest seasons. February 2015 is also
the snowiest February on record, as well as the
snowiest month on record. This past storm brings us even closer
to second place and continues to push our monthly record higher.
See below:
BHO Greatest Snowstorms, inches (1885-2015):
1) 38.7 on 24-28 Feb, 1969
2) 30.8 on 26-28 Jan, 2015
3) 30.3 on 3-5 Mar, 1960
4) 30.1 on 6-7 Feb, 1978
5) 30.0 on 31 Mar – 1 Apr, 1997
6) 29.8 on 6-8 Mar, 2013
7) 27.7 on 7-10 Feb, 2015
8) 26.6 on 8-9 Feb, 2013
9) 24.7 on 17-18 Feb, 2003
10) 24.3 on 5-7 Dec, 2003
11) 23.0 on 5-7 Mar, 2001
12) 22.2 on 16-17 Feb, 1958
13) 21.6 on 14-15 Feb, 2015
14) 21.0 on 9-10 Feb, 1969
BHO Greatest February Snowstorms, inches (1885-2015):
1) 38.7 on 24-28 Feb, 1969
2) 30.1 on 6-7 Feb, 1978
3) 27.7 on 7-10 Feb, 2015
4) 26.6 on 8-9 Feb, 2013
5) 24.7 on 17-18 Feb, 2003
6) 22.2 on 16-17 Feb, 1958
7) 21.6 on 14-15 Feb, 2015
8) 21.0 on 9-10 Feb, 1969
BHO Snowiest February, inches (1885-2015):
1) 79.9 in 2015 (through Feb 23 at 1:00 PM EST)
2) 65.4 in 1969
3) 51.3 in 2003
4) 45.2 in 1967
5) 40.4 in 1920
6) 39.7 in 2013
7) 37.0 in 1893
BHO Snowiest January-February, inches (1886-2015):
1) 122.8 in 2015 (through Feb 23 at 1:00 PM EST)
2) 77.9 in 1948
3) 70.2 in 2005
4) 68.7 in 1904
5) 67.5 in 1920
6) 66.9 in 1994
BHO Greatest Snow Depth, inches (1895-2015):
1) 46 in February 2015
2) 43 in March 1969
3) 42 in January 1948
4) 41 in February 1969
5) 39 in February 1948
6) 38 in February 1920
7) 33 in February 1978
33 in January 1996
9) 31 in February 2003
31 in February 2011
11)30 in March 1960
30 in March 1978
Today’s Observations:
7 A.M.
Weather: Overcast altostratus, few stratus fractus W-ESE,
few altocumulus lenticularis distant W-NW, bright spots
distant W-N
Temperature: 25F; Dew Point: 17F; Wind: WNW at 14G23 kts
Sea-level pressure: 30.14 ins. Hg, rising, then more quickly
Visibility: 30 miles, except 70 miles W-N
6-hr max temp: 28F
6-hr min temp: 25F
24-hr precip: 0.02
24 hr snowfall: 0.2
Snow depth: 38 inches
BHO SA 1155 E100 OVC 30 206/25/17/3014G23/014/ FEW STFRA W-ESE
FEW ACSL DSNT W-NW VSBY W-N 70 BRGT SPTS DSNT W-N NEW SNW PST
24 HRS 0.2 INS/ 8/72/ 4/038 53010 ASOS 70003 MANUAL 70002
10028 20025
10 A.M.
Weather: Broken altostratus, few cumulus distant N,
few altocumulus lenticularis in all directions
Temperature: 19F; Dew Point: 2F; Wind: NW at 20G29 kts
Peak Wind: 29 knots NW @ 9:55 AM EST
Sea-level pressure: 30.18 ins. Hg, rising, then more quickly
Visibility: 50 miles, except 90 miles WNW-NNW
BHO SA 1455 E130 BKN 50 221/19/2/3120G29/018/
VSBY WNW-NNW 90 MI FEW CU DSNT N FEW ACSL ALQDS PK WND 3129/55/
8/110 53015
1 P.M.
Weather: Scattered altocumulus lenticularis, broken cirrus,
few cumulus distant NW-E
Temperature: 20F; Dew Point: -2F; Wind: WNW at 15G22 kts
Peak Wind: 26 knots NW @ 12:31 PM EST
Sea-level pressure: 30.11 ins. Hg, increasing, then decreasing
Visibility: 80 miles, except 90 miles WSW-NW
6-hr max temp: 26F
6-hr min temp: 17F
6-hr precip: none
24 hr snowfall: none
BHO SA 1755 160 SCT E250 BKN 80 198/20/-2/2915G22/011/
VSBY WSW-NW 90 MI FEW CU DSNT NW-E PK WND 3126/31/
8/141 58023 10026 20017
SUMMARY FOR SUNDAY, FEBRUARY 22, 2015
TEMPERATURE (DEGREES F)
MAX…..39 NORMAL…..38
MIN…..27 NORMAL…..20
MEAN….33 NORMAL…..29
DEPARTURE FROM 30-YEAR NORMAL……………………….+4
TOTAL DEPARTURE FOR THE MONTH……………………..-239 [-11.1 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..32 DEPARTURE………..-4
TOTAL HEATING UNITS FOR THE MONTH…………1066 DEPARTURE………+241
TOTAL HEATING UNITS FOR THE SEASON………..4414 DEPARTURE……….+55
TOTAL HEATING UNITS LAST SEASON TO DATE……4346 DIFFERENCE………+68
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………25 WSW AT 4:11 A.M.
ASOS…………………..25 W AT 4:11 A.M.
DAVIS………………….24 WSW AT 4:11 A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………..15 WSW AT 4:11 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..16 W AT 4:13 A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….16 W AT 4:13 A.M.
AVERAGE WIND SPEED AND DIRECTION………….7.1 W
ASOS………………….7.2
DAVIS…………………6.5 WSW [242 degrees]
* last of several occurrences…
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.02 DEPARTURE…..-0.12
ASOS…………..N/A ***
TOTAL PRECIPITATION FOR THE MONTH……….6.06 DEPARTURE…..+2.96
ASOS……………N/A ***
TOTAL PRECIPITATION FOR THE YEAR……….11.23 DEPARTURE…..+3.91
ASOS……………N/A ***
*** ASOS February and annual totals not available due to erroneous readings
on February 9-10th and 14-15th
SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.2 DEPARTURE……-0.4
TOTAL SNOWFALL FOR THE MONTH……………79.9 DEPARTURE…..+68.9
TOTAL SNOWFALL FOR THE SEASON………….133.8 DEPARTURE…..+89.7
PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY 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 28/8/18/-8/0.00/0.0/…/.. 29 WNW RMY N/A
2/2 29/8/19/-7/1.53/16.5/000/00 44 NE RMY 46
2/3 21/0/11/-15/0.00/0.0/…/.. 31 NW RMY N/A
2/4 36/14/25/-1/0.00/0.0/…/.. 31 S RMY 33
2/5 34/4/19/-7/0.15/3.5/…/.. 38 NW RMY 39
2/6 19/-2/9/-17/0.00/0.0/…/.. 28 NW RMY 27
2/7 25/14/20/-7/…./…/…/.. 25 WSW RMY N/A
2/8 29/11/20/-7/…./…/000/00 30 NNE RMY 29
2/9 19/12/16/-11/…./…/000/00 29 N RMY 28
2/10 28/12/20/-7/…./…/…/.. 29 N RMY 29
2/11 24/15/20/-7/0.03/1.4/…/.. 30 N RMY 29
2/12 28/14/21/-6/0.02/0.6/…/.. 31 NW RMY N/A
2/13 20/2/11/-17/0.00/0.0/…/.. 35 NW RMY 35
2/14 26/1/14/-14/…./…/…/.. 24 NW RMY N/A
2/15 18/-6/6/-22/…./…/…/.. 53 NW RMY 59
2/16 17/-8/5/-23/0.00/0.0/…/.. 43 NW RMY N/A
2/17 21/5/13/-15/0.12/2.0/…/.. 18 NW RMY 16
2/18 28/15/22/-7/…./…/…/.. 17 W RMY N/A
2/19 26/6/16/-13/0.02/0.3/…/.. 40 W RMY 43
2/20 15/0/8/-21/0.00/0.0/…/.. 38 W RMY 40
2/21 32/3/18/-11/…./…/…/.. 39 SSW RMY 42
2/22 39/27/33/+4/…./…/…/.. 25 WSW RMY N/A
2/23 morning low temp: 25F since midnight, normal low is now 21
DAILY RECORDS FOR FEBRUARY 2015
– NEW DAILY RECORD SNOWFALL FOR 2 FEBRUARY 2015
SNOWFALL 16.5 INS. surpasses previous record:
5.5 ins. in 1916, 1934
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
