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Thursday, February 3, 2022

February 3, 2022

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA THURSDAY, FEBRUARY 3, 2022 ALL TIMES ARE…

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

THURSDAY, FEBRUARY 3, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0658E
SUNSET:  1658E

DRIZZLY AND MILD WITH LIMITED VISIBILITY ON THE SUMMIT….

Today consisted of mostly light southerly winds and mild temperatures.
Visibility was limited to 5 miles at most due to a layer of fog.
Average visibility was closer to a 1/16th mile.

Snow depth dropped significantly overnight, only being 4 inches
by the 1 P.M. observation. The ponds are still completely covered
with ice, however the thickness from the observatory seems
inconsistent.

The high so far today is 45F, this is 10 degrees above the normal
high of 35F. The low since midnight is 36F, which is 18 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: Very light drizzle
Temperature: 38F; Dew Point: 38F; Relative Humidity: 100%
Wind: SSW @ 14G21 kts
Sea-level pressure: 1024.6 mb; 30.26 in. Hg: rising then falling
Visibility: 1/16 mile, fog
6-hr Max temp: 38F
6-hr Min temp: 36F
24-hr Precip:  Trace
24-hr Snowfall: 0.0 ins.
Snow Depth: 5 ins.
BHO SA 1155 X W2 1/16L-F 246/38/38/2014G21/026/ PCPN VRY LGT/ 8////
4/005 70000 55001 10038 20036

10 A.M.
Weather: Very light drizzle
Temperature: 40F; Dew Point: 40F; Relative Humidity: 100%
Wind: SSW @ 11G18 kts
Sea-level pressure: 1023.6 mb; 30.23 in Hg: rising then falling
Visibility: 1/16th mile, fog
3-hr Precip:  Trace
3-hr Snowfall: 0.0 ins.
BHO SA 1455 X W2 1/16L-F 236/40/40/2011G18/023/ PCPN VRY LGT/
8//// 6000/ 56010

1 P.M.
Weather: Overcast stratus, very light drizzle
Temperature: 44F, Dew point: 44F; Relative Humidity: 100%
Wind: SSW @ 8 kts
Sea-level pressure: 1021.3mb; 30.16 in Hg: falling, then more
rapidly
Visibility: 5 miles, fog
6-hr Max temp: 38F
6-hr Min temp: 36F
6-hr Precip:  Trace
6-hr Snowfall: 0.0 ins.
Snow Depth: 4 ins.
BHO SA 1755 10 OVC 5L-F 213/44/44/2208/016/ PCPN VRY LGT/ 8/6//
4/004 58023 6000/ 10038 20036

SUMMARY FOR WEDNESDAY, FEBRUARY 2, 2022

TEMPERATURE (DEGREES F)
MAX…….44     NORMAL…..35
MIN…….31     NORMAL…..18
MEAN……38     NORMAL…..26

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..+12
TOTAL DEPARTURE FOR THE MONTH……………………..+10 [+4.8 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………27  DEPARTURE…….+12
TOTAL HEATING UNITS FOR THE MONTH……………68  DEPARTURE…….-10
TOTAL HEATING UNITS FOR THE SEASON…………3209  DEPARTURE……-272
TOTAL HEATING UNITS LAST SEASON TO DATE…….3115  DEPARTURE…….+94

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….20 SSE @ 11:59 P.M.
AEROVANE……………….21 SSE @ 11:59 P.M.
VECTOR #2 (Instantaneous)..20     @ 11:59 P.M.
DAVIS #2 ………………23 S   @ 11:56 P.M.
RMY #2 (Instantaneous)…..20 SSE @ 11:59 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………………15 SSE @ 11:58 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..16     @ 11:59 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………15 S   @ 10:16 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..17 SSE @ 11:59 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……6.8 SSE  [163 total miles] VECTOR #2…………….7.5
DAVIS #2……………..7.0 SSE
RMY #2……………….7.6 S
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……TRACE  DEPARTURE…..-0.14
TOTAL PRECIPITATION FOR THE MONTH…………TRACE  DEPARTURE…..-0.28
TOTAL PRECIPITATION FOR THE YEAR…………..4.59  DEPARTURE…..-0.19

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.2  DEPARTURE……-0.7
TOTAL SNOWFALL FOR THE MONTH……………….0.2  DEPARTURE……-1.2
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..48.3  DEPARTURE…..+13.2

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/…/..            19 NNE AERO 18 NNE RMY 19
2/02  44/31/38/+12/…./0.0/…/..        20 SSE AERO 21 SSE RMY 20

2/03  The low since midnight is 36F, 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 3
HIGH 58F IN 1991
LOW -7F IN 1955
PRECIP 2.14 INS. IN 1970
SNOWFALL 7.0 INS. IN 1913
PEAK GUST 102 MPH S IN 1970 [RECORD FOR MONTH]

RECORDS FOR FEBRUARY 4
HIGH 63F IN 1991
LOW -4F IN 1886, 1908
PRECIP 1.80 INS. IN 1926
SNOWFALL 15.0 INS. IN 1961
PEAK GUST 89 MPH SSE IN 1972

TODAY’S REPORT PREPARED BY: Benjamin Turner

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