Saturday, January 28, 2023
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, JANUARY 28, 2023
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0702E
SUNSET: 1653E
ANOTHER SUNNY BUT BLUSTERY DAY ON TOP OF BLUE HILL…
We had a mostly sunny day on top of the hill with a few
clouds along the horizon and a thin cirrus layer increasing
in the afternoon. We had a couple of good gusts so far with
a peak gust of 40 MPH at 09:17 A.M. recorded. Temperatures
are back above seasonable with a high so far of 47F which is
13 degrees above the normal maximum of 34F. The low since
midnight of 29F is 12 degrees above the normal minimum of 17F.
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Today’s Observations:
7 A.M.
Weather: Broken altocumulus, few cumulus distant offshore
Temperature: 32F; Dew Point: 23F; Relative Humidity: 69%
Wind: SSW @ 17G22 kts, Peak Wind: 25 kts (29 MPH) at 07:17 A.M.
Sea-level pressure: 1021.7 mb; 30.17 in. Hg: falling unsteadily
Visibility: 40 miles
6-hr Max temp: 32F
6-hr Min temp: 29F
24-hr Precip: 0.00 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 65 BKN 40 217/32/23/2017G22/017/ FEW CU DSNT OFFSHR NE
THN F ALQDS PK WND 2025/17/ 8/66/ 58007 10032 20029
10 A.M.
Weather: Scattered altocumulus, few cumulus in all quadrants
Temperature: 41F; Dew Point: 27F; Relative Humidity: 57%
Wind: SSW @ 17G30 kts, Peak Wind: 35 kts (40 MPH) SSW at 09:23 A.M.
Sea-level pressure: 1022.2 mb; 30.19 in. Hg: rising unsteadily
Visibility: 70 miles
3-hr Precip: 0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 80 SCT 70 222/41/27/2017G30/019/ FEW CU ALQDS PK WND
1835/23/ 8/66/ 51005
1 P.M.
Weather: Scattered altocumulus, scattered cirrus, few cumulus
in all quadrants
Temperature: 46F; Dew Point: 22F; Relative Humidity: 37%
Wind: W @ 18G32 kts, Peak Wind: 32 kts (37 MPH) W at 12:55 P.M.
Sea-level pressure: 1021.3 mb; 30.16 in. Hg: falling, then more
rapidly
Visibility: 70 miles
6-hr Max temp: 47F
6-hr Min temp: 32F
6-hr Precip: 0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 70 SCT 250 SCT 70 213/46/22/2618G32/016/ FEW CU ALQDS
PK WND 2632/55/ 8/661 58009 10047 20032
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SUMMARY FOR FRIDAY, JANUARY 27, 2023
TEMPERATURE (DEGREES F)
MAX…….41 NORMAL…..34
MIN…….25 NORMAL…..17
MEAN……33 NORMAL…..26
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………+7
TOTAL DEPARTURE FOR THE MONTH……………….+226 [+8.4 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY……………32 DEPARTURE……..-7
TOTAL HEATING UNITS FOR THE MONTH…………..808 DEPARTURE……-229
TOTAL HEATING UNITS FOR THE SEASON…………2718 DEPARTURE……-529
TOTAL HEATING UNITS LAST SEASON TO DATE…….2907 DEPARTURE……-240
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….31 WNW @ 12:02 A.M.
VECTOR #2 (Instantaneous)..32 @ 12:02 A.M.
DAVIS #2 ………………28 W @ 12:03 A.M.
RMY #2 (Instantaneous)…..29 WNW @ 12:02 A.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………………21 WNW @ 01:46 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..21 @ 01:46 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………21 WNW @ 01:46 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..21 WNW @ 01:46 A.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……..8.2 WNW [197 total miles]
VECTOR #2………………9.0
DAVIS #2……………… 8.8 WNW
RMY #2…………………8.9 WNW
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…..-0.14
TOTAL PRECIPITATION FOR THE MONTH…………..6.68 DEPARTURE…..+2.73
TOTAL PRECIPITATION FOR THE YEAR……………6.68 DEPARTURE…..+2.73
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.7
TOTAL SNOWFALL FOR THE MONTH……………….11.4 DEPARTURE……-4.5
TOTAL SNOWFALL FOR THE SEASON (2022-2023)……14.1 DEPARTURE…..-16.9
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PRELIMINARY CLIMATE SUMMARY FOR JANUARY CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN)/SUN(%)/PEAK GUST/VEC1/RMY GUST
VEC1: Vector #1 1-second gust
RMY: R.M. Young wind gust recording system (Instantaneous)
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M: Missing data
1/1 53/38/46/+17/0.04/0.0/412/75 39 WNW VEC1 N/A RMY 60
1/2 49/33/41/+13/0.00/0.0/044/08 39 WNW VEC1 N/A RMY 39
1/3 48/37/43/+15/0.50/0.0/000/00 23 S VEC1 N/A RMY 24
1/4 43/37/40/+12/0.31/0.0/000/00 23 NE VEC1 N/A RMY 23
1/5 43/33/38/+10/0.23/0.0/000/00 34 ENE VEC1 N/A RMY 37
1/6 35/31/33/+5/0.18/1.0/000/00 19 NNE VEC1 N/A RMY 19
1/7 40/30/35/+8/0.00/0.0/105/19 22 NW VEC1 N/A RMY 23
1/8 36/20/28/+1/0.00/0.0/517/93 26 NNW VEC1 N/A RMY 28
1/9 42/26/34/+7/T/0.1/267/48 27 NW VEC1 N/A RMY 27
1/10 41/25/33/6/0.00/0.0/318/57 28 NW VEC1 N/A RMY 28
1/11 33/18/26/-1/T/0.1/358/64 19 N VEC1 N/A RMY 18
1/12 48/28/38/+11/0.29/0.1/000/00 45 S VEC1 N/A RMY 46
1/13 55/36/46/+20/0.62/0.0/000/00 54 SSW VEC1 N/A RMY 56
1/14 36/29/33/+7/0.11/T/000/00 30 NNE VEC1 N/A RMY M
1/15 33/26/30/+4/0.10/1.2/000/00 45 NNE VEC1 N/A RMY 45
1/16 30/26/28/+2/0.22/2.7/000/00 36 NNE VEC1 N/A RMY 37
1/17 47/25/36/+10/0.02/0.0/415/73 22 WSW VEC1 N/A RMY 23
1/18 49/35/42/+16/0.01/0.0/314/55 37 NW VEC1 N/A RMY 38
1/19 38/32/35/+9/0.75/T/000/00 31 NNE VEC1 N/A RMY 32
1/20 35/29/32/+6/0.56/1.6/000/00 52 NE VEC1 N/A RMY 54
1/21 31/25/28/+2/0.01/0.2/000/00 21 NW VEC1 N/A RMY 21
1/22 35/25/30/+4/0.25/0.2/000/00 21 N VEC1 N/A RMY 20
1/23 34/27/31/+5/1.18/4.1/000/00 36 NNW VEC1 N/A RMY 37
1/24 35/25/20/+4/0.00/0.0/…/.. 32 WNW VEC1 N/A RMY 32
1/25 42/27/35/+9/0.45/0.1/…/.. 40 SSE VEC1 N/A RMY 42
1/26 53/33/43/+17/…./…/…/.. 52 S VEC1 N/A RMY 54
1/27 41/25/33/+7/0.00/0.0/…/.. 31 WNW VEC1 N/A RMY 29
1/28 The low since midnight is 29F, the daily normal low is 17F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR JANUARY 28
HIGH 59F IN 1916
LOW -9F IN 1888, 1924
PRECIP 2.18 INS. IN 1897
SNOWFALL 15.0 INS. IN 1897
PEAK GUST 78e MPH SSE IN 1977
RECORDS FOR JANUARY 29
HIGH 66F IN 2002
LOW -11F IN 1888
PRECIP 1.79 INS. IN 2022
SNOWFALL 21.7 INS. IN 2022
PEAK GUST 72 MPH NW IN 1973
TODAY’S REPORT PREPARED BY: Kaitlin Geagan
