Friday, November 25, 2022

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

FRIDAY, NOVEMBER 25, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0647E
SUNSET:  1615E

OVERCAST AND BREEZY WITH A FEW LIGHT RAIN SHOWERS….

Clouds have been the theme today as a frontal system moves
through the region. A busy south-southwest to southwest
flow is occurring out ahead of this front along with a
few light rain showers. Despite the cloud cover, the
temperature has managed to reach the 50F degree mark,
but with the wind, it still feels on the chilly side
out there.

Rainfall through the 1pm observation has only been a
trace as the showers have been very light to this point.

As mentioned, the wind has been rather busy today with an
average speed so far for the day around 17mph. The peak for
the day was back between 5-6am with 35mph being recorded.
Frequent gusts between 20-30mph have been occurring all
day.

Visibility has been limited today with the increase in
moisture in the air. The maximum view today was around 30
miles during the mid morning hours, but has dropped to an
average of 10 miles early this afternoon with the light
rain showers.

The high so far today is only 50F, which is 3 degrees above
the normal maximum of 47F. The low since midnight is 39F,
which is 8 degrees above the normal low of 31F.

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Today’s Observations:

7 A.M.
Weather: Overcast altostratus, few breaks in overcast distant NE-E,
higher clouds visible distant NE-E, virga all quadrants
Temperature: 44F; Dew Point: 43F; Relative Humidity: 96%
Wind: SSW @ 15G21 kts
Sea-level pressure: 1014.9 mb; 29.97 in. Hg: falling, then more rapidly
Visibility: 25 miles, thin fog
6-hr Max temp: 44F
6-hr Min temp: 39F
24-hr Precip:  0.00 ins.
24-hr Snowfall: 0.0 ins.
BHO SA 1155 E140 OVC 25 149/44/43/2115G21/997/ FEW BINOVC DSNT NE-E
HIER CLDS VSBL DSNT NE-E THN F ALQDS VIRGA ALQDS/ 8/02/ 58036
10044 20039

10 A.M.
Weather: Broken altocumulus, overcast altostratus, few stratocumulus
distant E-SE
Temperature: 47F; Dew Point: 43F; Relative Humidity: 85%
Wind: SSW @ 14G21 kts
Sea-level pressure: 1011.6 mb; 29.87 in. Hg: falling, then more rapidly
Visibility: 30 miles, thin fog
3-hr Precip:  0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 E80 BKN 140 OVC 30 116/47/43/2014G21/987/ FEW SC DSNT
E-SE THN F ALQDS/ 8/57/ 58033

1 P.M.
Weather: Broken stratocumulus, overcast nimbostratus, very light rain
Temperature: 48F, Dew point: 44F; Relative Humidity: 85%
Wind: SW @ 16G24 kts
Sea-level pressure: 1005.8 mb; 29.70 in Hg: falling, then more slowly
Visibility: 10 miles, 5 miles WNW-N, 20 miles ENE-S, thin fog
6-hr Max temp: 50F
6-hr Min temp: 44F
6-hr Precip: TRACE
6-hr Snowfall: 0.0 ins.
BHO SA 1755 E20 BKN 45 OVC 10R- 058/48/44/2216G24/970/ R-E18B52
PCPN VRY LGT THN F ALQDS VSBY 5 WNW-N 20 ENE-S/ 8/52/ 56058 6000/
10050 20044

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SUMMARY FOR THURSDAY, NOVEMBER 24, 2022

TEMPERATURE (DEGREES F)
MAX…….47   NORMAL…..47
MIN…….29   NORMAL…..31
MEAN……38   NORMAL…..39

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………-1
TOTAL DEPARTURE FOR THE MONTH……………….+107 [+4.3 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY……………27  DEPARTURE……..+1
TOTAL HEATING UNITS FOR THE MONTH…………..427  DEPARTURE……-103
TOTAL HEATING UNITS FOR THE SEASON………….840  DEPARTURE……-201
TOTAL HEATING UNITS LAST SEASON TO DATE……..820  DEPARTURE…….+20

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….25 SW  @ 10:32 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..26     @ 10:37 P.M.
DAVIS #2 ………………24 S   @  5:54 P.M.
RMY #2 (Instantaneous)…..25 SW  @ 10:37 P.M.
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………………20 SW  @ 10:43 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..19     @ 10:33 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………19 SW  @ 10:33 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..20 SW  @ 10:33 P.M.
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……. 9.3 SW [223 total miles] VECTOR #2……………..10.0
DAVIS #2……………… 9.5 SSW
RMY #2………………..10.1 SW
RMY #1……….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……..0.00 DEPARTURE…..-0.15
TOTAL PRECIPITATION FOR THE MONTH…………..1.80 DEPARTURE…..-1.60
TOTAL PRECIPITATION FOR THE YEAR…………..35.48 DEPARTURE….-12.08

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.1
TOTAL SNOWFALL FOR THE MONTH………………TRACE DEPARTURE……-1.1
TOTAL SNOWFALL FOR THE SEASON (2022-2023)…..TRACE DEPARTURE……-1.8

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PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 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

11/1  61/54/58/+11/0.11/0.0/000/00        21 NW   AERO N/A    RMY 21
11/2  68/50/59/+12/0.00/0.0/598/97        29 N    AERO N/A    RMY 30
11/3  67/48/58/+12/0.00/0.0/597/97        24 WSW  AERO N/A    RMY 24
11/4  70/48/59/+13/0.00/0.0/411/67        38 WSW  AERO N/A    RMY 40
11/5  75/57/66/+20/0.00/0.0/336/55        35 SW   AERO N/A    RMY 36
11/6  74/63/69/+24/0.00/0.0/079/13        40 SW   AERO N/A    RMY 43
11/7  74/49/62/+17/T/0.0/448/74           38 NW   AERO N/A    RMY 42
11/8  53/35/44/-1/0.00/0.0/591/98         32 N    AERO N/A    RMY 32
11/9  52/30/41/-3/0.00/0.0/589/98         27 SW   AERO N/A    RMY 29
11/10 67/41/54/+10/0.00/0.0/586/98        35 WSW  AERO N/A    RMY 38
11/11 69/53/61/+18/0.50/0.0/036/06        56 SSW  AERO N/A    RMY 60
11/12 72/51/62/+19/0.24/0.0/398/67        47 SSW  AERO N/A    RMY 51
11/13 51/36/44/+1/0.08/0.0/000/00         41 NW   AERO N/A    RMY 43
11/14 42/28/35/-7/0.00/0.0/589/100        31 NW   AERO N/A    RMY 32
11/15 41/26/34/-8/0.03/T/423/72           16 NNW  AERO N/A    RMY 16
11/16 56/32/44/+2/0.84/0.0/059/10         40 NW   AERO N/A    RMY 40
11/17 44/32/38/-3/T/T/449/77              37 WNW  AERO N/A    RMY 34
11/18 44/28/36/-5/0.00/0.0/529/91         26 W    AERO N/A    RMY 28
11/19 43/26/35/-6/0.00/0.0/579/100        24 WSW  AERO N/A    RMY 24
11/20 37/25/31/-9/0.00/0.0/548/95         45 WNW  AERO N/A    RMY 48
11/21 37/20/29/-11/0.00/0.0/575/100       39 WNW  AERO N/A    RMY 40
11/22 48/31/40/0/0.00/0.0/…/..          30 WSW  AERO N/A    RMY 31
11/23 49/33/41/+2/0.00/0.0/…/..         28 NW   AERO N/A    RMY 28
11/24 47/29/38/-1/0.00/0.0/…/..         25 SW   AERO N/A    RMY 25

11/25 The low since midnight is 39F, the daily normal low is 31F

DAILY RECORDS

11/05/2022: TIED RECORD HIGH MINIMUM OF 57F, ALSO SET IN 1948.

11/06/2022: NEW RECORD HIGH MINIMUM OF 63F,
PREVIOUS RECORD WAS 60F IN 2015
NEW RECORD HIGH MAXIMUM OF 74F,
PREVIOUS RECORD WAS 72F IN 2020

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

RECORDS FOR NOVEMBER 25
HIGH 71 IN 1979
LOW 13 IN 1938
PRECIP 3.10 INCHES IN 1983
SNOWFALL 4.0 INS IN 1938
PEAK GUST 94e E IN 1950

RECORDS FOR NOVEMBER 26
HIGH 66 IN 1979
LOW 6 IN 1938
PRECIP 2.39 INS IN 1950
SNOWFALL 3.0 INS IN 1974
PEAK GUST 78 SSE IN 1964

TODAY’S REPORT PREPARED BY: Matt Douglas