STATISTICS from CTO Weather Centre - December, 2024
MONTHLY SUMMARY: MEANS AND TOTALS:
Reading
Mean
Normal
RecHi
YY
RecLo
YY
High Temp
2015
2007
Low Temp
2015
2007
Mean Temp
2015
2007
Dew Point
2015
2013
Relative Humidity
78
%
63
%
78
%
2018
23
%
2013
Barometric Pressure
2023
2016
Winds
2023
2001
- from
NNW
E
WNW
N
Monthly Total
Total
Normal
RecMost
YY
RecLeast
YY
Rain
2020
2016
Snow
2022
2022
- Water Equivalent
2022
2020
Precipitation
2022
2016
Sunshine
90
h
105
h
199
h
2016
0
h
2001
MONTHLY SUMMARY: SINGLE-DAY EXTREMES AND RECORDS:
Reading
Max
DD
Min
DD
RecHi
YY-DD
RecLo
YY-DD
High Temp
21
22
2019-23
2004-20
Low Temp
30
22
2015-11
2004-20
Humidex
31
2019-23
Wind Chill
23
2017-28
Dew Point
21
21
2019-23
2020-21
Relative Humidity
99
%
10
46
%
03
100
%
2022-30
0
%
2020-21
Barometric Pressure
14
05
2022-14
2022-23
Winds
30
2015-24
- from
W
S
Daily Total
Most
DD
RecMost
YY-DD
Rain
29
2020-25
Snow
09
2015-29
- Water Equivalent
09
2015-29
Precipitation
09
2020-25
Sunshine
08:50
13
15:55
2016-15
Daily Mean
Max
DD
Min
DD
RecHi
YY-DD
RecLo
YY-DD
Temperature
30
22
2015-24
2004-20
Dew Point
30
22
2019-23
2020-21
Relative Humidity
96
%
10
62
%
03
100
%
2022-31
20
%
2013-01
Barometric Pressure
14
30
2022-14
2022-24
Winds
30
03
2022-23
2001-01
- from
E
W
WNW
N
EVENTS LAST MONTH (12):
New Moon - December 30 @ 17:26
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
Indian Ocean Earthquake and Tsunami - December 26 @ 00:00
A megathrust earthquake off Sumatra, Indonesia, caused a massive tsunami throughout the Indian Ocean, on this day in 2004. In Indonesia, the hardest-hit by the giant ocean waves, up to 225,000 people died.
Launch of the JWST - December 25 @ 00:00
On Xmas Day in 2021, the James Webb Space Telescope was launched aboard an ArianeSpace Ariane 5 launch vehicle. Orbiting Earth-Sun Lagrange Point L2, and sporting vastly superior optics and electronics to Hubble's, the JWST has made revolutionary discoveries, including the existence of well-formed galaxies shortly after the Big Bang.
Xmas Day Ice Storm - December 25 @ 00:00
The Ottawa area was hit by a massive ice storm on this day in 1986.
Sir Isaac Newton Born - December 25 @ 00:00
On this day in 1642, Sir Isaac Newton was born. He went on to give birth to modern physics and new branches of mathematics.
Happy Festivus! - December 23 @ 00:00
Festivus, the Festival for, as the saying goes, the rest of us.
Last Quarter - December 22 @ 17:18
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
Winter Solstice - December 21 @ 04:21
Autumn ends; Winter begins (N. Hemisphere). Spring ends; Summer begins (S. Hemisphere). Shortest day of the year (N. Hemisphere). Longest day of the year (S. Hemisphere)
Full Moon - December 15 @ 04:01
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
First Quarter - December 8 @ 10:26
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
Pearl Harbour - December 7 @ 00:00
On this day in 1941, Japan achieved complete surprise in its attack on Pearl Harbour, sinking most of the US Pacific Fleet stationed at Hawaii. Fortunately, the four American aircraft carriers were out to sea on that Sunday morning, and survived to wreak havoc on the Japanese in later battles. The United States declared war the following day, eventually winning the Pacific War in 1945.
New Moon - December 1 @ 01:21
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
Daily Temperatures Last Month:
Precipitation Last Month:
Daily Readings, Last Month:
Day
High
Low
Mean
MxHx
MnWC
AvRH
AvDP
AvBP
Precip
Sunrise
Sunset
Sun
Moon
Winds
1
74%
07:23
16:21
00:55
New
E @
2
74%
07:24
16:21
03:40
New
E @
3
62%
07:25
16:21
04:30
Waxing Crescent
W @
4
86%
07:26
16:20
00:25
Waxing Crescent
E @
5
82%
07:27
16:20
00:20
Waxing Crescent
W @
6
67%
07:28
16:20
05:20
Waxing Crescent
W @
7
79%
07:29
16:20
01:30
Waxing Crescent
W @
8
83%
07:30
16:20
01:30
Waxing Crescent
W @
9
82%
07:31
16:20
00:20
First Quarter
E @
10
96%
07:32
16:20
00:25
Waxing Gibbous
W @
11
96%
07:33
16:20
00:05
Waxing Gibbous
E @
12
73%
07:34
16:20
00:35
Waxing Gibbous
E @
13
68%
07:34
16:20
08:50
Waxing Gibbous
W @
14
71%
07:35
16:20
08:45
Waxing Gibbous
E @
15
76%
07:36
16:20
04:40
Waxing Gibbous
W @
16
86%
07:37
16:21
00:25
Full
E @
17
86%
07:37
16:21
01:20
Waning Gibbous
E @
18
90%
07:38
16:21
00:35
Waning Gibbous
W @
19
72%
07:39
16:22
06:35
Waning Gibbous
W @
20
76%
07:39
16:22
03:30
Waning Gibbous
W @
21
65%
07:40
16:23
08:05
Waning Gibbous
W @
22
64%
07:40
16:23
08:40
Waning Gibbous
W @
23
78%
07:41
16:24
00:30
Waning Gibbous
E @
24
76%
07:41
16:24
06:25
Last Quarter
E @
25
76%
07:41
16:25
02:00
Waning Crescent
E @
26
74%
07:42
16:26
03:35
Waning Crescent
E @
27
78%
07:42
16:26
01:50
Waning Crescent
E @
28
88%
07:42
16:27
00:40
Waning Crescent
E @
29
95%
07:42
16:28
01:20
Waning Crescent
E @
30
83%
07:43
16:29
01:55
Waning Crescent
E @
31
77%
07:43
16:30
01:55
New
E @
December
78%
90h
NNW @
Normals
63%
-9.7°C
1016.4 mb
105 h
E @ 1 km/h
This page was last regenerated 2025-01-18@03:00.
It is sheduled to be regenerated every 1 Hours.
It is next scheduled for regeneration on 2025-01-18@04:00
(To see this page's template code, please Click Here.)
