Post by Bishopdale Weather on Sept 13, 2020 18:44:28 GMT 12
Bishopdale Chch weekly weather summary for WEEK ending 11th of September 2020.
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A.v.g night air temp this September so far is 2.15c which is 1.45c COOLER than avg.
2nd=Coldest ON RECORD September night temps.
Avg IS 3.6c
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Avg Day temps this September so far are 15.05c which is 0.25c Colder than avg.
11th COLDEST ON RECORD for September DAY TEMPS ON RECORD.
Avg IS 15.3c.
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Avg MONTH temps this September =8.6c.
Which is 0.85 colder than avg.
6th COLDEST ON RECORD September avg temps.
Avg IS 9.45c.
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A.V.G 2020 air temp so far is 11.37c.
Which is 0.4c colder than avg for a year.
5th Coldest on record for week 35.***
avg is 11.77c.
DOWN 0.05c on last week.
RECORD WARM YEAR WAS 1998 = 12.36c.(all years)
This time last year the avg was 11.59c
***This is for the years since 2013.
Before 2013. 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 September is 12.2c
UP 0.3c from last week.
Warmest on record for week 35,
And 1c warmer Than same week last September.
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RAINFALL we have had 24.5mm rain this September.
2nd lowest on record.
avg September rainfall is 41.1mm.
lowest=21.1mm in 2011
most 77.3mm in 2017.
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SUN IS Warmer THAN avg.
0.43c Warmer than avg.
warmer than last week by 0.02c.
And 3.23c colder than last September 2019.
And 1.77c colderTHAN in 2018.
coldest ON RECORD FOR WEEK 36,
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 September so far is 43.3c on day 9.
The last record WARM September day was 48.8c in 2010.
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Coldest night on the grass was -6.5c on day 3.
COLDEST September GRASS TEMP ON RECORD IS -8.9c IN 2016.
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WE HAD 4 AIR FROSTS this September
WHICH IS above avg ON RECORD.
avg is 3 AIR frosts.
lowest air frost on record is 1 in 2014,2015,2016,2017.
most air frost on record is 10 in 2012
WE HAD 3 GRASS FROSTS THIS September.
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.....................WIND-RUN.....................
Chch has had so far 1780KM of wind-run this September so far.
lowest on record.
Avg For all of September is 4830KM.
Most was in 2018=5980KM.
LOWEST was in 2011=4621KM.
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