STATISTICS from CTO Weather Centre - October, 2025
MONTHLY SUMMARY: MEANS AND TOTALS:
Reading
Mean
Normal
RecHi
YY
RecLo
YY
High Temp
2017
2019
Low Temp
2017
2001
Mean Temp
2017
2019
Dew Point
2017
2019
Relative Humidity
53
%
66
%
74
%
2021
56
%
2019
Barometric Pressure
2017
2014
Winds
2023
2001
- from
WSW
E
WNW
N
Total Reading
Total
Normal
RecMost
YY
RecLeast
YY
Rain
2017
2016
Snow
2018
2018
- Water Equivalent
2018
2015
Precipitation
2017
2016
Sunshine
56
h
96
h
245
h
2020
0
h
2001
MONTHLY SUMMARY: SINGLE-DAY EXTREMES AND RECORDS:
Reading
Highest
DD
Lowest
DD
RecHi
YY-DD
RecLo
YY-DD
High Temp
05
01
2023-03
2016-27
Low Temp
05
02
2023-07
2020-28
Humidex
05
2023-03
Wind Chill
n/a
2023-31
Dew Point
05
01
2016-26
2019-05
Relative Humidity
79
%
03
27
%
01
99
%
2019-19
0
%
2019-02
Barometric Pressure
02
03
2022-29
2022-06
Winds
05
2020-07
- from
SSW
NW
Daily Total
Most
DD
RecMost
YY-DD
Rain
01
2017-29
Snow
01
2018-28
- Water Equivalent
01
2018-28
Precipitation
01
2017-29
Sunshine
11:40
h
01
22:00
h
2020-13
Daily Mean
Highest
DD
Lowest
DD
RecHi
YY-DD
RecLo
YY-DD
Temperature
05
01
2023-03
2020-28
Dew Point
05
01
2023-03
2019-05
Relative Humidity
59
%
04
48
%
01
94
%
2016-21
33
%
2019-05
Barometric Pressure
02
04
2022-29
2022-06
Winds
05
01
2023-01
2001-01
- from
E
E
NNW
N
EVENTS THIS MONTH (12):
Sputnik 1 Launched - October 4 @ 01:00
On this day in 1957, the Soviet Union launched the first artificial satellite, Sputnik 1, into orbit. The launch threw a scare into the West and completely overshadowed the official rollout of the Avro Arrow interceptor aircraft.
Full Moon - October 6 @ 15:47
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
Kepler's Supernova - October 8 @ 01:00
On this day in 1604, the famed astronmer Johannes Kepler spied a supernova in Ophiuchus. The second in about 34 years (see Tycho's Supernova, Nov. 15), and designated SN 1604, this detonation of a distant star was bright enough to be visible during the day. Thus far, it has been the last naked-eye supernova in the Milky Way. Its remnant is the subject of ongoing study.
Last Quarter - October 13 @ 06:12
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
Hurricane Hazel - October 16 @ 01:00
This powerful post-tropical storm moved into Ontario on this day in 1954 (71 years ago), dropping heavy rainfall and causing significant damage to the waterfront, in addition to flooding.
Loma Prieta Earthquake - October 17 @ 01:00
A major earthquake occurred just before the scheduled start of a World Series game, on this day in 1989. Among the many significant consequences of the quake were the heavy damage to the San Francisco-Oakland Bay Bridge, and the collapse of the double-deck Cypress Street Viaduct.
Happy Birthday Bill - October 19 @ 01:00
On this day, in 1964, Bill Demmery, the author of the MC-HOME suite, was born. This year, he turns 61.
Black Monday - October 19 @ 01:00
In 1987, on this day, a stock-market crash wiped out 22.6 percent of the Dow Jones Industrial Average, its biggest one-day drop ever, after an unprecedented period of growth.
New Moon - October 21 @ 00:25
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
Black Thursday - October 24 @ 01:00
Signalling the beginning of the Great Depression, the Dow Jones Industrial Average dropped by 11 percent on this day in 1929, the beginning of many months of slides. Stock prices bottomed out in 1932. The Great Depression continued until the outbreak of war in 1939.
First Quarter - October 29 @ 04:20
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
Hallowe'en - October 31 @ 01:00
This observance, originally called "All Hallows' Eve", and immediately preceding All Saints' Day, is a mostly-fun-filled celebration of the dead; a night when jack-o'-lanterns decorate doorsteps, and candies are handed out to canvassing children.
Daily Temperatures This Month:
Daily Precipitation This Month:
This Month:
Day
High
Low
Mean
MxHx
MnWC
AvRH
AvDP
AvBP
Prec
Sunrise
Sunset
Sun
Moon
Winds
1
48%
07:01
18:43
11:40 h
Waxing Gibbous
E @
2
48%
07:03
18:41
11:35 h
Waxing Gibbous
E @
3
54%
07:04
18:39
11:40 h
Waxing Gibbous
E @
4
59%
07:05
18:37
10:15 h
Waxing Gibbous
E @
5
56%
07:06
18:35
11:30 h
Full
E @
6
54%
07:08
18:33
10:20 h
Waning Gibbous
E @
7
n/a%
07:09
18:31
n/a h
Waning Gibbous
n/a @
8
n/a%
07:10
18:30
n/a h
Waning Gibbous
n/a @
9
n/a%
07:12
18:28
n/a h
Waning Gibbous
n/a @
10
n/a%
07:13
18:26
n/a h
Waning Gibbous
n/a @
11
n/a%
07:14
18:24
n/a h
Waning Gibbous
n/a @
12
n/a%
07:15
18:22
n/a h
Waning Gibbous
n/a @
13
n/a%
07:17
18:21
n/a h
Last Quarter
n/a @
14
n/a%
07:18
18:19
n/a h
Waning Crescent
n/a @
15
n/a%
07:19
18:17
n/a h
Waning Crescent
n/a @
16
n/a%
07:21
18:15
n/a h
Waning Crescent
n/a @
17
n/a%
07:22
18:14
n/a h
Waning Crescent
n/a @
18
n/a%
07:23
18:12
n/a h
Waning Crescent
n/a @
19
n/a%
07:25
18:10
n/a h
Waning Crescent
n/a @
20
n/a%
07:26
18:08
n/a h
New
n/a @
21
n/a%
07:27
18:07
n/a h
New
n/a @
22
n/a%
07:29
18:05
n/a h
Waxing Crescent
n/a @
23
n/a%
07:30
18:04
n/a h
Waxing Crescent
n/a @
24
n/a%
07:32
18:02
n/a h
Waxing Crescent
n/a @
25
n/a%
07:33
18:00
n/a h
Waxing Crescent
n/a @
26
n/a%
07:34
17:59
n/a h
Waxing Crescent
n/a @
27
n/a%
07:36
17:57
n/a h
Waxing Crescent
n/a @
28
n/a%
07:37
17:56
n/a h
First Quarter
n/a @
29
n/a%
07:38
17:54
n/a h
Waxing Gibbous
n/a @
30
n/a%
07:40
17:53
n/a h
Waxing Gibbous
n/a @
31
n/a%
07:41
17:51
n/a h
Waxing Gibbous
n/a @
October
53%
56 h
WSW @
Normals
66%
+4.3°C
1015.7 mb
96 h
E @ 1 km/h
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