CHCH weekly summary for week ending 16th December 2022.

[Bishopdale Weather]

Bishopdale CHCH weekly summary for week ending
16th December 2022.
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A.v.g night air temp this December so far is 11.04c
which is 0.44c warmer than Avg.
13th warmest ON RECORD December night temps.
Avg IS 10.6c
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Avg Day temps this December so far is 20.34c
which is 1.66c Colder than Avg.
5th Coldest ON RECORD for December DAY TEMPS.
Avg IS 22c.
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Avg MONTH temps this December= 15.69c.
Which is 0.63c Colder than AVG.
7th Coldest ON RECORD.
Avg IS 16.32c.
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A.V.G 2021 air temp so far is 11.92c.
Which is 0.12c WARMER for a year.
AVG is 11.8c.
UP 0.12c on last week.
3rd Warmest record for week 49 **(see note below)
This time last year the avg was 11.97c
RECORD WARM YEAR WAS 1998 = 12.36c.(all years)
THis time last year=11.92c

****NOTE** This is for the years since 2012.
Before 2012. I did not have a weekly breakdown of avg years temps.
The avg over the last 29 years can only be done at the end of the year.
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Ground avg temps for this December is 16.5c so far.
UP 0.3c from last week.
Warmest on record for week 49,
And 0.4c warmer Than same week last December.
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RAINFALL 14.4mm rain this December.
lowest on record so far.
Avg December rainfall is 51.1mm.
wettest December 2020=89.4mm
Lowest 2012=30mm
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SUN IS Colder than AVG.
1.43c Colder than avg. ==**solar cycle 24 avg**
2nd coldest on record for week 50.
Warmer than last week by 0.22c.
And 0.18c warmer than last December 2021.
And 2.73c colder THAN in 2020.

Solar Cycle 25 STARTED ON THE 20/4/20.
Solar MAX should be in 2025.
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Air Temp taken in SUNLIGHT (NOT SHADE TEMP).
Warmest DAY this December so far is 49.3c on day 14.
The record WARM December day was 59.3c in 2017.
Coldest night on the grass was 6.9c on day 5.
COLDEST December GRASS TEMP ON RECORD IS 0c IN 2006.
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WE HAD 0 AIR FROSTS this December = AVG.
Avg is 0 AIR frosts.
Record cold air night=2c in 2006.
WE HAD 0 GRASS FROSTS THIS December 2021.
record cold on the grass for Dec is 0c
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.....................WIND-RUN.....................
Chch has had so far 3231KM of wind-run this December so far.
so far lowest on record.
Most were in 2019=8363KM.
LOWEST was in 2015=4345KM.
Avg For all of December is 6520KM.
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