Sunday, August 7, 2022

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

SUNDAY, AUGUST 7, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0443E
SUNSET:  1856E

HOT AND HUMID CONDITIONS CONTINUE, HEAT WAVE HITS DAY 4 HERE
ON THE HILL….

Today marks day 4 of the current heat wave in progress. Despite
this only being the 4th consecutive day, we have had a total of
5 90+ degree days so far this month. Only the 1st and 3rd failed
to reach 90. We likely have 2 more days to go before the heat
wave breaks by Wednesday.

The temperature has reached the mid 90s again today. That is one
impressive tidbit of this heat wave, each day has been at least
in the mid 90s (as opposed to low 90s). We’ve also set or tied
some records during this stretch. Here they are…

8/4: High max of 96F, this beat the old record of 95F set in 1928
8/6: High max of 95F, this tied the record with 1931
High min of 72F, this tied the record with 1918 and 1924
8/7: High max of 96F (so far), this beat the old record of 95F
set in 1924
High min of 73F (so far), this tied the record with 2018

While the heat is of course a big deal here, the other big story
is the lack of rainfall. The yearly deficit has now reached 10.25″
below normal. We continue to be in a severe drought.

The high so far today is 96F, which is 14 degrees above the normal
maximum of 82F. The low since midnight is 73F, which is 9 degrees
above the normal minimum of 64F.

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PRELIMINARY STATS FOR JULY 2022

TEMPERATURE, Deg. F
Avg. Max. 86.6 [+4.9] Avg. Min. 65.7 [+1.9] Mean      76.2 [+3.5] 24-hour corrected mean: 75.3
Max. for month: 99F on the 24th
Min. for month: 57F on the 10th

HEATING DEGREE DAYS
Total heating units:      0 [-007] Total for the season:     0 [-007] Total for last season:   26

COOLING DEGREE DAYS
Total cooling units:    352 [+104] Total for the season:   507 [+120] Total for last season:  379

PRECIPITATION, Inches
Total: 0.80 [-2.67] Greatest in 24 hrs: 0.25 on the 2nd

SNOWFALL, Inches
Total: 0.0 [0.0] Greatest in 24 hrs: N/A

WIND, mph
Avg. uncorrected wind speed: 10.6 mph
Avg. corrected wind speed:   11.2 mph
Prevailing wind direction:   SSW [21%] Peak gust and direction:  39 SSW on the 21st
SW  on the 24th

SUNSHINE:
Campbell-Stokes card minutes: 19356 of a possible 26826, or 73%
Astronomical total minutes: 20129 of a possible 27739, or 73%

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Today’s Observations:

7 A.M.
Weather: Scattered stratus fractus, broken altocumulus
Temperature: 78F; Dew Point: 73F; Relative Humidity: 85%
Wind: WSW @ 10G16 kts
Sea-level pressure: 1021.1 mb; 30.15 in. Hg: steady
Visibility: 30 miles, hazy
6-hr Max temp: 78F
6-hr Min temp: 73F
24-hr Precip: 0.00 ins.
BHO SA 1155 25 SCT E150 BKN 30 211/78/73/2410G16/015/ HAZY/
8/770 54000 10078 20073

10 A.M.
Weather: Broken cumulus, broken altocumulus
Temperature: 89F; Dew Point: 72F; Relative Humidity: 58%
Wind: WSW @ 13G22 kts
Sea-level pressure: 1020.8 mb; 30.14 in Hg: steady, then falling
Visibility: 40 miles, hazy
3-hr Precip: 0.00 ins.
BHO SA 1455 E30 BKN 150 BKN 40 208/89/72/2413G22/014/ HAZY/
8/270 58003

1 P.M.
Weather: Broken cumulus, broken altocumulus, broken cirrostratus,
cumulonimbus distant WNW-NW
Temperature: 92F, Dew point: 69F; Relative Humidity: 48%
Wind: WSW @ 19G30 kts, peak wind WSW 35 mph at 12:51 P.M.
Sea-level pressure: 1018.2 mb; 30.07 in Hg: falling then more rapidly
Visibility: 40 miles, hazy
6-hr Max temp: 96F
6-hr Min temp: 78F
6-hr Precip: 0.00 ins.
BHO SA 1755 E50 BKN 150 BKN 250 BKN 40 182/92/69/2419G30/007/
CB DSNT WNW-N HAZY PK WND 2430/51/ 8/963 58026 10096 20078

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SUMMARY FOR SATURDAY, AUGUST 6, 2022

TEMPERATURE (DEGREES F)
MAX…….95R  NORMAL…..81
MIN…….72   NORMAL…..64
MEAN……84   NORMAL…..73

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……..+11
TOTAL DEPARTURE FOR THE MONTH………………..+46 [+7.5 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY…………….0  DEPARTURE………0
TOTAL HEATING UNITS FOR THE MONTH…………….0  DEPARTURE……..-1
TOTAL HEATING UNITS FOR THE SEASON……………0  DEPARTURE……..-8
TOTAL HEATING UNITS LAST SEASON TO DATE………28  DEPARTURE…….-28

COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY……………19  DEPARTURE…….+11
TOTAL COOLING UNITS FOR THE MONTH……………94  DEPARTURE…….+47
TOTAL COOLING UNITS FOR THE SEASON………….601  DEPARTURE……+167
TOTAL COOLING UNITS LAST SEASON TO DATE……..402  DEPARTURE……+199

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….30 SSW @  4:08 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..31     @  4:07 P.M.
DAVIS #2 ………………33 S   @  4:47 P.M.
RMY #2 (Instantaneous)…..31 SSW @  4:08 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………………23 SSW @  4:19 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..22     @  4:09 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………21 S   @  4:10 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..23 SSW @  4:21 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………10.9 SW [261 total miles] VECTOR #2……………….11.6
DAVIS #2………………..11.2 SW
RMY #2………………….11.7 SW
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……..0.00 DEPARTURE…..-0.14
TOTAL PRECIPITATION FOR THE MONTH (JULY)…….0.06 DEPARTURE…..-0.74
TOTAL PRECIPITATION FOR THE YEAR…………..21.25 DEPARTURE….-10.25

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PRELIMINARY CLIMATE SUMMARY FOR JULY CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/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

7/1   90/63/77/+6/0.00/704/77             33 S   AERO N/A    RMY 34
7/2   83/67/75/+4/0.25/228/25             25 WSW AERO N/A    RMY 26 TSTM
7/3   84/65/75/+3/0.00/547/60             25 WNW AERO N/A    RMY 26
7/4   83/60/72/0/0.00/838/92              25 WNW AERO N/A    RMY 26
7/5   73/63/68/-4/0.12/027/03             37 SSW AERO N/A    RMY 39
7/6   83/64/74/+2/T/701/77                37 SSW AERO N/A    RMY 38
7/7   79/62/71/-1/0.00/645/71             27 SSW AERO N/A    RMY 29
7/8   85/60/73/+1/0.00/472/52             24 WSW AERO N/A    RMY 24
7/9   79/63/71/-2/0.00/843/93             21 N   AERO N/A    RMY 22
7/10  81/57/69/-4/0.00/851/94             22 SSE AERO N/A    RMY 24
7/11  86/60/73/0/0.00/849/94              31 SSW AERO N/A    RMY 33
7/12  86/63/75/+2/T/713/79                38 SSW AERO N/A    RMY 39
7/13  89/67/78/+5/0.00/820/91             22 WNW AERO N/A    RMY 22
7/14  86/64/75/+2/0.14/675/75             26 WNW AERO N/A    RMY 27
7/15  85/61/73/0/0.00/862/96              21 S   AERO N/A    RMY 22
7/16  84/63/74/+1/0.00/439/49             25 SSW AERO N/A    RMY 26
7/17  89/65/77/+4/0.00/662/74             31 SSW AERO N/A    RMY 33 TSTM
7/18  80/68/74/+1/0.22/009/01             35 SSW AERO N/A    RMY 36
7/19  91/70/81/+8/T/714/80                37 WNW AERO N/A    RMY 38
7/20  96/72/84/+11/0.00/801/90            23 WNW AERO N/A    RMY 23
7/21  92/71/82/+9/0.00/693/78             39 SSW AERO N/A    RMY 41
7/22  94/72/83/+10/0.00/834/94            25 W   AERO N/A    RMY 25
7/23  96/72/84/+11/0.00/850/96            22 W   AERO N/A    RMY 22
7/24  99/73/86/+13/0.00/830/94            39 SW  AERO N/A    RMY 41
7/25  88/74/81/+8/T/291/33                37 SW  AERO N/A    RMY 41
7/26  83/66/75/+2/0.00/615/70             24 W   AERO N/A    RMY 25
7/27  86/61/74/+1/0.00/781/89             21 NW  AERO N/A    RMY 20
7/28  87/67/77/+4/0.04/683/78             35 SSW AERO N/A    RMY 39
7/29  91/70/81/+8/0.01/733/84             34 WSW AERO N/A    RMY 38
7/30  88/69/79/+6/0.02/732/84             35 NW  AERO N/A    RMY 34
7/31  88/64/76/+3/0.00/687/79             23 SW  AERO N/A    RMY 25

DAILY RECORDS

07/24/2022: NEW HIGH MAXIMUM TEMPERATURE RECORD OF 99F,
PREVIOUS RECORD WAS 96F SET IN 1987.

07/24/2022: TIED RECORD HIGH MINIMUM OF 73F, ALSO SET IN 1952

07/25/2022: TIED RECORD HIGH MINIMUM OF 74F, ALSO SET IN 2001

PRELIMINARY CLIMATE SUMMARY FOR AUGUST CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/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

8/1   85/66/76/+3/0.05/…/..             24 S   AERO N/A    RMY 26
8/2   93/66/80/+7/0.00/…/..             27 WSW AERO N/A    RMY 29
8/3   88/68/78/+5/0.00/…/..             22 NNW AERO N/A    RMY 23
8/4   96/68/82/+9/0.00/…/..             29 SSW AERO N/A    RMY 31
8/5   96/72/84/+11/0.01/…/..            42 NW  AERO N/A    RMY 42 TSTM
8/6   95/72/84/+11/0.00/…/..            30 SSW AERO N/A    RMY 31

8/7  The low since midnight is 73F, the daily normal low is 64F

DAILY RECORDS

08/04/2022: NEW HIGH MAXIMUM TEMPERATURE RECORD OF 96F,
PREVIOUS RECORD WAS 95F SET IN 1928.

08/06/2022: TIED RECORD HIGH MAXIMUM OF 95F, ALSO SET IN 1931
TIED RECORD HIGH MINIMUM OF 72F, ALSO SET IN 1918 AND 1924

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

RECORDS FOR AUGUST 7
HIGH 95F IN 1924
LOW 51F IN 2004
PRECIP 3.32 INCHES IN 1926
PEAK GUST 51 MPH NE 1975

RECORDS FOR AUGUST 8
HIGH 93F IN 1909,1949
LOW 47F IN 1903
PRECIP 3.08 INCHES IN 1976
PEAK GUST 45 MPH WNW IN 1958

TODAY’S REPORT PREPARED BY: Matt Douglas