Chch weather summary for week ending 20th October 2023.

[Bishopdale Weather]

Bishopdale Chch weather summary for
week ending 20th October 2023.
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A.v.g night air temp this October so far is 5.55c.
which is 0.45c colder than AVG..
15th COLDEST ON RECORD October night temps so far.
AVG IS 6c
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Avg Day temps this October so far are 17.72c
which is 0.09c colder than avg.
19th warmest ON RECORD for October DAY TEMPS so far.
AVG IS 17.8c.
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Avg MONTH temps this October= 11.63c.
0.27c colder AVG..
13th coldest ON RECORD..
AVG IS 11.9c.
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A.V.G air temp so far this year is 11.67c.
Which is 0.13c colder than AVG for a year.
AVG is 11.8c.
DOWN 0c on last week.
11th= coldest on record for week 42 ***
RECORD WARM YEAR WAS 1998 = 12.36c.(all years)
This time last year the avg was 11.55c.



**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 October is 13.7c
UP 0.6c from last week.
2nd= Warmest on record for week 42,
And 0.6c cooler Than same week LAST YEAR.
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RAINFALL we have had 39.7mm rain this October.
4th lowest ON RECORD SO FAR,
Wettest was in 2017=92.2mm
LOWEST was in 2020=16.5mm
AVG October rainfall is 56mm.
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SUN IS colder THAN AVG (Years avg SUN temp)
2.32c colder than avg.
coldest on record.
warmer than last week by 0.12c.
And 1.12c colder than last October.
And 2.54c colder THAN in October 2021.

Solar Cycle 25 STARTED ON THE 20/4/20.
Solar MAX should be in 2026.
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Air Temp taken in SUNLIGHT (NOT SHADE TEMP).
Warmest DAY this October so far is 45.9c on day 12.
The record WARM October day was 54.8c in 2018.
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Coldest night on the grass this Oct is -3.1c on day 1.
COLDEST October GRASS TEMP ON RECORD IS -6.2c IN 2013.
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WE HAD 1 AIR FROSTS this October .
WHICH IS avg.
AVG is 1. AIR frosts.FOR October
lowest number =0 air frost.
Most air frost was 3 in 2014.
WE HAD 2 GRASS FROSTS THIS October.
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.....................WIND-RUN.....................
Chch has had so far 4428KM of wind-run this October.so far.
so far lowest on record.
Most were in 2016=6801KM.
LOWEST was in 2008=4762KM.
AVG For all of October is 5696KM.
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......SOLAR CYCLE25 A.V.G SUNSPOT NUMBER.....
The A.V.G for the cycle so far 115.2 spots per day.
DOWN 0.7 a.v.g spots from last week.
Most A.V.G sunspots in cycle25 is 115.9 per day on
the 13/10/23.
LOWEST A.V.G was at the start of cycle25 with 0 on 20/4/20.
Most sunspots are expected in 2025.
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...............SOLAR CYCLE 25............
LAST WEEKS SUNSPOT NUMBER WAS 77 DOWN 60 FROM 2 WEEKS AGO.
most was in the week 14/07/2023 189 spots.
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