Unusual Rains in Sydney in 2022
Don White
Rainfall Records in Sydney this year.
The 1st 4 months of 2022 have broken many rainfall records in Sydney - with a detailed data set going back of 160 years.
The following is a summary of some of these records.
A Summary of Record features in March 2022.
| Feature | Notes or Records | Previous Record |
1 | Total Rainfall of 554 mm | Wettest March ever | 521.4 mm in March 1942 |
| No days with > 100 mm | 1st ever 500 mm+ month for this |
|
2 | 26 days with 0.2 mm or more | Record for any month | 24 days in March 1890, 1956 & 1963 |
3 | 22 days with 1 mm or more | Record for any month | 21 days in March 1963 |
4 | 15 days with 10 mm or more | Equal record for any month | 15 days also in June 1950 |
5 | 10 days with 25 mm or more | Equal record for any month | 10 days also in June 1950 |
6 | 4 days with 50 mm or more | Equal record for any month | Equal with May 1889, June 1950, Feb 1990 |
Some Features of 2022 to Date (end of April)
| Feature | Notes or Records | Previous Record |
1 | 1000.6 mm in 45 days from 22 Feb | Shortest time ever to have 1000 mm |
|
2 | Annual Ave. rain reached on 7 April | Earliest ever | 6 May 1890 |
3 | Total rain in 1st 3 months = 1076.2 | Wettest ever | 1031.2 mm in 1956 |
4 | Total rain in 1st 4 months = 1343.4 mm | Wettest ever | 1196.6 mm in 1990 |
5 | 3 monthly rain Feb-Apr 2022 = 1177.2 mm | Wettest ever | 1114.8 mm May- Jul 1950 |
6** | 4 Monthly rain Jan-April 2022 =1343.4 mm | Wettest ever | 1196.6 mm in 1990 |
7 | 13 days in Feb-Mar with > 25 mm | Equal record for 2 months | 13 days in Jun -July 1950 |
8 | 25 days in Feb-Mar with > 10 mm | Most days ever for 2 consecutive months | 23 days in Jun-Jul 1950 |
9 | 39 days in Feb-Mar with > 1 mm | Most days ever for 2 consecutive months | 36 days in Jun-Jul 1950 |
10 | 48 days in Feb-Mar with > 0.2 mm | Most days ever for 2 consecutive months | 45 days in Feb-Mar 1956 |
11 | 15 days in Feb-Apr with > 25 mm | Most days ever for 3 consecutive months | 14 days in May-Jul 1950 |
12 | 32 days in Feb-Apr with > 10 mm | Most days ever for 3 consecutive months | 27 days in May-Jul 1950 |
13 | 56 days in Feb-Apr with > 1 mm | Most days ever for 3 consecutive months | 50 days in May-Jul 1950 |
14 | 69 days in Feb-Apr with > 0.2 mm | Most days ever for 3 consecutive months | 65 days in May-Jul 1950 |
** Sydney rain to end of April is 1343.4 mm which already exce3eds the previous end for the 1st 5 months to end of May which was 1327.8 mm n 1990
Some figure collated manually but I have checked for errors as far as possible |
|
Don White
Mob: 0417248705
Gavin O'Brien
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Don White
Hi Gavin
A lot of the north coast had a drier April but earlier months were extreme.
Michael Bath who records for the Bom at McLeans Ridge east of Lismore has already had his wettest year ever and there is still 8 months to go !
Don
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Michael Bath
I did a check of surrounding sites and looks like totals 60-70% above annual mean are the typical all-time records for sites in this area (back to late 1800s)
So, I'd look to see ~2500mm at McLeans Ridges 058023 for the year to go down as very much the wettest year on record. But certainly, have cracked the 22-year dataset annual record as of 25 April !
It's a shame the Lismore 058214 and Ballina 058198 AWS have big gaps mucking up annual totals.
Regards, Michael
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