Paterson (Tocal AWS) is a weather station located 30 m above sea level, 12 km from Raworth. Its records go back to 1968: 42 years of temperature are available up to 2025, along with rainfall and a comparison with two reference normals. Over 1991–2020 the annual mean temperature there is 18.3 °C; the 1961–1990 period is not documented well enough to compare. The warmest year of the series is 2024 (19.2 °C) and the coldest 1972 (17.2 °C). The last complete year, 2025, ranks 2 out of 42, from warmest to coldest. Over 1968–2025, the annual mean temperature changes by +0.21 °C per decade. The station ranks 94 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1968
The first ten years of the series (1972–1984) average 17.8 °C; the last ten (2014–2025) average 18.7 °C, a difference of +0.9 °C. Of the ten warmest years in the series, 7 fall after 1999. The warmest is 2024 (19.2 °C). The ten-year running mean peaks at 18.7 °C (2025) and bottoms out at 17.8 °C (1990).
Annual rainfall since 1968
On average 943 mm of rain falls per year over the 51 documented years. The wettest year, 2022, received 1359 mm; the driest, 1980, only 483 mm, which is 2.8 times less. The 1991–2020 normal (910 mm per year) is 46 mm (4.8 %) below the 1961–1990 one (956 mm). Over 1991–2020, February is on average the wettest month (122 mm) and August the driest (35 mm). Between 1999 and 2023, 9 years out of 20 exceeded the series average.
Monthly normals: 1961–1990 against 1991–2020
The table compares, month by month, the mean temperature and the rainfall total of two thirty-year reference periods. The difference column shows what the recent period changes compared with the earlier one.
| Month | Temp. 1961–1990 | Temp. 1991–2020 | Difference | Rain 1961–1990 | Rain 1991–2020 | Difference |
|---|---|---|---|---|---|---|
| January | – | 24.2 °C | – | 134 mm | 89 mm | −45 mm |
| February | – | 23.4 °C | – | 120 mm | 122 mm | +2 mm |
| March | – | 21.7 °C | – | 123 mm | 114 mm | −9 mm |
| April | – | 18.5 °C | – | 87 mm | 84 mm | −3 mm |
| May | – | 15.4 °C | – | 79 mm | 63 mm | −16 mm |
| June | – | 12.9 °C | – | 68 mm | 84 mm | +16 mm |
| July | 11.4 °C | 12.1 °C | +0.7 °C | 37 mm | 41 mm | +4 mm |
| August | 12.6 °C | 13.3 °C | +0.7 °C | 40 mm | 35 mm | −5 mm |
| September | 15.1 °C | 16.1 °C | +1.0 °C | 45 mm | 47 mm | +2 mm |
| October | 17.9 °C | 18.6 °C | +0.7 °C | 76 mm | 60 mm | −16 mm |
| November | – | 20.8 °C | – | 78 mm | 80 mm | +2 mm |
| December | 22.6 °C | 22.7 °C | +0.1 °C | 69 mm | 91 mm | +22 mm |
For rainfall, the largest difference is in December (+22 mm) and the smallest in January (−45 mm).
Records at Paterson (Tocal AWS)
- Warmest year: 19.2 °C, in 2024
- Coldest year: 17.2 °C, in 1972
- Driest year: 483 mm, in 1980
- Wettest year: 1359 mm, in 2022
- Warmest month: 27.9 °C, in January 2019
- Coldest month: 10.4 °C, in July 1971
- Wettest month: 546 mm, in April 2015
- Hottest day: 47.0 °C, on 11 February 2017
- Coldest day: −4.7 °C, on 16 July 1970
- Heaviest rain in one day: 242.6 mm, on 21 April 2015
2.0 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 51.7 °C.
Temperature trend over 1968–2025
The regression line of annual mean temperature changes by +0.21 °C per decade between 1968 and 2025, about +1.2 °C over the whole period. That is faster than the median of the 227 stations (+0.19 °C per decade), by 0.02 °C per decade: the station ranks 94 out of 227.
The last 24 months against the 1991–2020 normal
Over the last 24 months (October 2024 to September 2026), 20 months out of 24 were warmer than the 1991–2020 normal for the same month; the mean departure is +1.0 °C. The highest departure was in December 2024 (+2.4 °C); the lowest, in June 2025 (−0.6 °C).
| Month | Temperature | Departure from normal | Rain | Normal rain |
|---|---|---|---|---|
| October 2024 | 18.3 °C | −0.3 °C | 54 mm | 60 mm |
| November 2024 | 22.6 °C | +1.8 °C | – | 80 mm |
| December 2024 | 25.1 °C | +2.4 °C | – | 91 mm |
| January 2025 | 24.0 °C | −0.2 °C | – | 89 mm |
| February 2025 | 23.8 °C | +0.4 °C | 30 mm | 122 mm |
| March 2025 | 22.8 °C | +1.1 °C | 207 mm | 114 mm |
| April 2025 | 19.4 °C | +0.9 °C | 199 mm | 84 mm |
| May 2025 | 16.3 °C | +0.9 °C | 210 mm | 63 mm |
| June 2025 | 12.3 °C | −0.6 °C | 12 mm | 84 mm |
| July 2025 | 12.4 °C | +0.3 °C | 87 mm | 41 mm |
| August 2025 | 13.5 °C | +0.2 °C | 196 mm | 35 mm |
| September 2025 | 16.8 °C | +0.7 °C | 48 mm | 47 mm |
| October 2025 | 20.8 °C | +2.2 °C | 30 mm | 60 mm |
| November 2025 | 22.9 °C | +2.1 °C | – | 80 mm |
| December 2025 | 23.9 °C | +1.2 °C | 41 mm | 91 mm |
| January 2026 | 24.1 °C | −0.1 °C | 99 mm | 89 mm |
| February 2026 | 25.4 °C | +2.0 °C | 63 mm | 122 mm |
| March 2026 | 23.0 °C | +1.3 °C | 69 mm | 114 mm |
| April 2026 | 19.2 °C | +0.7 °C | 17 mm | 84 mm |
| May 2026 | 17.3 °C | +1.9 °C | 134 mm | 63 mm |
| June 2026 | 14.4 °C | +1.5 °C | 31 mm | 84 mm |
| July 2026 | 12.9 °C | +0.8 °C | 46 mm | 41 mm |
| August 2026 | 13.8 °C | +0.5 °C | 36 mm | 35 mm |
| September 2026 | 18.1 °C | +2.0 °C | 18 mm | 47 mm |
Data source and licence
Data source: Bureau of Meteorology (ACORN-SAT) and NOAA NCEI (GHCN-Daily) (dataset “ACORN-SAT v2 daily (homogenised) + GHCN-Daily”), licence CC BY 4.0; Public domain (NOAA NCEI). Last updated: 29 October 2026.
The data for Paterson (Tocal AWS) are shown as the source publishes them; this site does not correct them. A year is kept only if at least eleven months of measurements are available, and a normal is computed only with at least twenty years of data out of its thirty. Temperatures are rounded to 0.1 °C and rainfall to the millimetre. The station is one of 227 stations in Australia: the overview page lets you compare them.
Frequently asked questions
What is the annual mean temperature at Paterson (Tocal AWS)?
Over 1991–2020, the annual mean temperature at Paterson (Tocal AWS) is 18.3 °C.
What is the warmest year ever measured at Paterson (Tocal AWS)?
Since records began in 1968, the warmest year at Paterson (Tocal AWS) is 2024, at 19.2 °C on average. The coldest is 1972 (17.2 °C).
Is the climate at Paterson (Tocal AWS) getting warmer?
Yes: at Paterson (Tocal AWS), the annual mean temperature rises by 0.21 °C per decade between 1968 and 2025, +1.2 °C in total. 7 of the 10 warmest years in the series fall after 1999.
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