Wednesday, February 9, 2022

BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

WEDNESDAY, FEBRUARY 9, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0649E
SUNSET:  1709E

ALMOST CLEAR CONDITIONS ALL DAY WITH GOOD VISIBILITY….

Despite a thin smoke layer in the distance, visibility was
75 miles on average. Wind was a little under 10 mph from the
southwest, and conditions were mild. Skies were mostly clear
with a few clouds, but were completely clear at the 10 A.M.
observation.

The high so far today is 40F, this is 4 degrees above the normal
high of 36F. The low since midnight is 24F, which is 6 degrees
above the normal minimum of 18F.

————————————————————–

PRELIMINARY STATS FOR JANUARY 2022

TEMPERATURE, Deg. F
Avg. Max. 33.2 [-1.5] Avg. Min. 15.3 [-3.0] Mean      24.3 [-2.2] 24-hour corrected mean: 24.9
Max. for month: 51F on the 1st
Min. for month: 0F on the 16th

HEATING DEGREE DAYS
Total heating units:   1255 [+62] Total for the season:  3141 [-262] Total for last season: 3044

PRECIPITATION, Inches
Total: 4.59 [+0.09] Greatest in 24 hrs: 1.84 inches on the 28th-29th

SNOWFALL, Inches
Total: 45.4 ins. [+26.8] Greatest in 24 hrs: 27.6 ins. from the 28th-29th

WIND, mph
Avg. uncorrected wind speed: 12.6 mph
Avg. corrected wind speed:   13.0 mph
Prevailing wind direction:   NW [18%] Peak gust and direction:     65 ESE on the 17th

SUNSHINE:
Campbell-Stokes card minutes: 8946 minutes of a possible 17130 or 52%
Astronomical total minutes:  9236 minutes of a possible 17666 or 52%

————————————————————–

Today’s Observations:

7 A.M.
Weather: Clear, few distant stratocumulus offshore NE
Temperature: 24F; Dew Point: 18F; Relative Humidity: 76%
Wind: WNW @ 12 kts
Sea-level pressure: 1016.9 mb; 30.03 in. Hg: rising, then more slowly
Visibility: 65 miles, thin smoke layer
6-hr Max temp: 29F
6-hr Min temp: 24F
24-hr Precip:  0.01 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: Trace
BHO SA 1155 CLR 65 169/24/18/3012/003/ FEW DSNT SC OFFSHR NE THN K LYR
ALQDS/ 8/500 51023 70001 10029 20024

10 A.M.
Weather: Clear
Temperature: 31F; Dew Point: 21F; Relative Humidity: 65%
Wind: WNW @ 7 kts
Sea-level pressure: 1018.2 mb; 30.07 in Hg: rising then falling
Visibility: 75 miles, thin smoke layer
3-hr Precip:  0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 CLR 75 182/31/21/3007/007/ THN K LYR ALQDS/ 50013

1 P.M.
Weather: Clear, few distant cirrostratus S-W-NW
Temperature: 38F, Dew point: 22F; Relative Humidity: 51%
Wind: WSW @ 7 kts
Sea-level pressure: 1016.6 mb; 30.02 in Hg: falling, then more rapidly
Visibility: 75 miles, thin smoke layer
6-hr Max temp: 40F
6-hr Min temp: 24F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: Trace
BHO SA 1755 CLR 75 166/38/22/2507/002/ FEW CS DSNT S-W-NW THN K LYR ALQDS/
8/005 58016 10040 20024

SUMMARY FOR TUESDAY, FEBRUARY 8, 2022

TEMPERATURE (DEGREES F)
MAX…….39     NORMAL…..36
MIN…….30     NORMAL…..18
MEAN……35     NORMAL…..27

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………….. +8
TOTAL DEPARTURE FOR THE MONTH……………………..+24 [+2.8 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………30  DEPARTURE……. -8
TOTAL HEATING UNITS FOR THE MONTH…………..284  DEPARTURE…….-24
TOTAL HEATING UNITS FOR THE SEASON…………3425  DEPARTURE……-286
TOTAL HEATING UNITS LAST SEASON TO DATE…….3326  DEPARTURE…….+99

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….33 W   @  5:48 P.M.
AEROVANE……………….32 WNW @ 11:02 P.M.
VECTOR #2 (Instantaneous)..35     @  5:48 P.M.
DAVIS #2 ………………31 NW  @ 11:03 P.M.
RMY #2 (Instantaneous)…..34 WNW @ 11:03 P.M.
ASOS………..OUT OF SERVICE D/T RENOVATIONS
VECTOR #1……OUT OF SERVICE D/T RENOVATIONS
DAVIS #1…….OUT OF SERVICE D/T RENOVATIONS
RMY #1………OUT OF SERVICE D/T RENOVATIONS
MERLIN………OUT OF SERVICE D/T RENOVATIONS

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………22 WNW @ 11:22 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..22     @ 11:04 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………23 WNW @ 11:03 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..22 WNW @ 11:04 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE…….OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE…OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE..OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE RMY #1 AVERAGE…..OUT OF SERVICE D/T RENOVATIONS

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……. 11.5 W  [277 total miles] VECTOR #2…………….. 12.2
DAVIS #2……………… 12.1 NW
RMY #2……………….. 12.1 NW
RMY #1…………..OUT OF SERVICE D/T RENOVATIONS
ASOS…………….OUT OF SERVICE D/T RENOVATIONS
VECTOR #1………..OUT OF SERVICE D/T RENOVATIONS
DAVIS #1…………OUT OF SERVICE D/T RENOVATIONS

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…….0.01  DEPARTURE…..-0.11
TOTAL PRECIPITATION FOR THE MONTH………….2.56  DEPARTURE…..+1.48
TOTAL PRECIPITATION FOR THE YEAR…………..7.15  DEPARTURE…..+1.57

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0  DEPARTURE……-0.7
TOTAL SNOWFALL FOR THE MONTH……………….1.3  DEPARTURE……-4.2
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..49.4  DEPARTURE…..+10.2

PRELIMINARY CLIMATE SUMMARY FOR JANUARY CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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
M:    Missing data

1/01  51/43/47/+18/0.08/0.0/000/00        21 SSE AERO 21 SSE RMY 22
1/02  48/29/39/+11/0.29/0.0/000/00        35 NW  AERO 36 NW  RMY 35
1/03  29/18/24/-4/0.00/0.0/000/00         31 NNW AERO 30 N   RMY 30
1/04  30/12/21/-7/0.00/0.0/546/99         25 S   AERO 24 S   RMY 25
1/05  49/25/37/+9/0.21/0.0/000/00         45 S   AERO 48 S   RMY 47
1/06  40/27/34/+6/0.00/0.0/316/57         36 WNW AERO 36 WNW RMY 36
1/07  28/17/23/-4/0.78/15.7/000/00        39 WNW AERO 38 WNW RMY 39
1/08  26/11/19/-8/0.00/0.0/556/100        34 WNW AERO 32 WNW RMY 34
1/09  41/19/30/+3/0.01/T/017/03           50 SW  AERO 51 SW  RMY 53
1/10  36/17/27/0/T/T/469/84               44 WNW AERO 43 WNW RMY 46
1/11  17/4/11/-16/T/0.1/560/100           36 NW  AERO 37 NW  RMY 35
1/12  40/5/23/-4/42/0.00/0.0/533/95       43 SSW AERO 44 SSW RMY 44
1/13  45/28/37/+11/0.00/0.0/332/59        22 SW  AERO 22 SW  RMY 22
1/14  38/12/25/-1/0.00/0.0/000/00         44 NW  AERO 41 N   RMY 43
1/15  13/1/7/-19/0.00/0.0/470/83          40 NW  AERO 39 NW  RMY 40
1/16  31/0/16/-10/0.00/0.0/488/86         29 ESE AERO 28 ESE RMY 30
1/17  46/31/39/+13/1.14/0.3/119/21        65 ESE AERO 74 ESE RMY 72
1/18  32/17/25/-1/0.00/0.0/446/78         46 WNW AERO 44 WNW RMY 45
1/19  44/16/30/+4/0.00/0.0/309/54         50 SSW AERO 53 SSW RMY 51
1/20  38/16/27/+1/0.17/0.6/058/10         34 N   AERO 35 N   RMY 34
1/21  20/6/13/-13/0.00/0.0/467/81         29 NNW AERO 30 NNW RMY 29
1/22  25/9/17/-9/T/0.2/358/62             23 NNW AERO 22 NNW RMY 22
1/23  34/17/26/0/0.01/0.1/331/57          26 WSW AERO 26 WSW RMY 26
1/24  29/19/24/-2/0.03/0.5/379/65         22 N   AERO 20 N   RMY 22
1/25  39/23/31/+5/0.03/0.3/129/22         27 WNW AERO 25 WNW RMY 26
1/26  24/9/17/-9/0.00/0.0/582/99          25 N   AERO 25 N   RMY 25
1/27  25/3/14/-12/0.00/0.0/589/100        26 SSW AERO 26 SSW RMY 27
1/28  33/21/27/1/0.05/0.5/000/00          26 NNE AERO 28 SW  RMY 28
1/29  28/7/18/-8/1.79/27.1/000/00         55 N   AERO 58 N   RMY 58
1/30  21/4/13/-13/0.00/0.0/590/99         39 NW  AERO 41 WNW RMY 40
1/31  30/8/19/-7/0.00/0.0/592/99          17 NW  AERO 16 NW  RMY 18

DAILY RECORDS FOR JANUARY 2022

1/1/22: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 43F
SURPASSES PREVIOUS RECORD OF 42F SET IN 1966

1/17/22: DAILY RECORD PEAK GUST OF 65 MPH ESE,
SURPASSES THE PREVIOUS RECORD OF 62 MPH S IN 1994

1/29/22: DAILY RECORD SNOWFALL OF 27.1 INS,
SURPASSES THE PREVIOUS RECORD OF 8 IN IN 1943

DAILY RECORD PRECIP OF 1.79 INS,
SURPASSES THE PREVIOUS RECORD OF 1.48 INS IN 1973

PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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
M:    Missing data

2/01  31/16/24/-2/T/0.2/018/03            19 NNE AERO 18 NNE RMY 19
2/02  44/31/38/+12/T/0.0/096/16           20 SSE AERO 21 SSE RMY 20
2/03  47/36/42/+16/0.16/0.0/000/00        27 SSW AERO 28 SSW RMY 28
2/04  49/19/34/+8/1.53/0.7/000/00         35 NNE AERO 37 NNE RMY 38
2/05  21/11/16/-11/0.01/0.2/251/41        25 NW  AERO 25 NW  RMY M
2/06  27/5/16/-11/0.00/0.0/570/93         20 NNW AERO 21 NNW RMY M
2/07  41/21/31/+4/0.59/0.2/000/00         25 ESE AERO 23 ESE RMY 25
2/08  39/30/35/+8/…./…/…/..         33 W   AERO 32 WNW RMY 34

2/09 The low since midnight is 24F, the daily normal low is 18F

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)

RECORDS FOR FEBRUARY 9
HIGH 58F IN 1990
LOW -21F IN 1934 [LOWEST TEMPERATURE ON RECORD] PRECIP 2.12 INS. IN 1969
SNOWFALL 16.9 INS. IN 2017
PEAK GUST 89 MPH NE IN 1969

RECORDS FOR FEBRUARY 10
HIGH 56F IN 1909
LOW -8F IN 1899
PRECIP 1.34 INS. IN 1909
SNOWFALL 12.1 INS. IN 1926
PEAK GUST 64 MPH W IN 2001

TODAY’S REPORT PREPARED BY: Benjamin Turner