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Merriwa Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
31.4 | 30.1 | 27.8 | 23.6 | 19.7 | 16.3 | 16.2 | 18.2 | 21.8 | 25.3 | 27.9 | 29.8 | 24.0 |
| Mean Min (°C) |
16.8 | 15.7 | 13.8 | 9.4 | 5.3 | 3.8 | 2.4 | 3.0 | 5.2 | 8.5 | 12.2 | 14.5 | 9.1 |
| Mean Rain (mm) |
78.3 | 58.0 | 58.0 | 34.9 | 37.0 | 39.3 | 36.7 | 33.2 | 38.4 | 50.7 | 60.9 | 72.9 | 593.5 |
| Median Rain (mm) |
58.0 | 51.5 | 33.2 | 17.6 | 32.1 | 25.0 | 30.8 | 21.4 | 33.5 | 47.2 | 55.8 | 51.9 | 590.6 |
| Mean Rain Days |
7.9 | 6.4 | 6.4 | 5.1 | 6.4 | 7.4 | 7.3 | 6.4 | 6.5 | 6.8 | 7.8 | 7.5 | 81.2 |
Merriwa Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
43.8 | 45.4 | 39.8 | 33.2 | 28.8 | 23.8 | 24.7 | 28.0 | 34.3 | 37.4 | 43.0 | 43.7 | 45.4 |
| Low Max (°C) |
19.1 | 16.7 | 17.4 | 14.4 | 12.1 | 7.4 | 9.3 | 9.4 | 12.0 | 11.1 | 14.6 | 16.9 | 7.4 |
| High Min (°C) |
27.1 | 29.2 | 22.2 | 17.8 | 16.0 | 12.9 | 13.7 | 13.7 | 18.8 | 23.3 | 22.9 | 24.6 | 29.2 |
| Low Min (°C) |
5.4 | 6.9 | 3.0 | -2.9 | -3.8 | -5.8 | -6.1 | -4.5 | -3.7 | -0.2 | 2.5 | 4.2 | -6.1 |
| High Rain (mm) |
85.0 | 110.4 | 90.6 | 73.6 | 45.2 | 117.0 | 54.4 | 38.0 | 44.4 | 63.4 | 53.6 | 92.4 | 117.0 |
Merriwa Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
35.4 | 35.1 | 30.7 | 27.1 | 20.9 | 17.3 | 18.1 | 20.9 | 25.7 | 28.1 | 32.4 | 34.2 | 26.1 |
| Low Mn. Max (°C) |
28.3 | 26.3 | 24.6 | 21.9 | 18.2 | 15.0 | 14.3 | 15.6 | 18.8 | 21.8 | 23.3 | 24.5 | 22.0 |
| High Mn. Min (°C) |
20.5 | 17.5 | 15.5 | 11.3 | 7.6 | 6.5 | 4.2 | 5.6 | 6.7 | 10.6 | 14.9 | 16.5 | 10.0 |
| Low Mn. Min (°C) |
14.7 | 14.2 | 11.4 | 7.0 | 2.8 | 2.5 | -0.3 | 1.4 | 3.8 | 6.5 | 8.7 | 10.1 | 8.3 |
| High Rain (mm) |
208.6 | 240.0 | 208.6 | 161.4 | 126.0 | 284.2 | 139.8 | 109.8 | 121.6 | 155.0 | 224.2 | 219.2 | 947.2 |
| Low Rain (mm) |
10.2 | 2.0 | 0.0 | 0.0 | 0.0 | 0.8 | 1.3 | 0.0 | 0.0 | 1.8 | 0.0 | 2.5 | 291.4 |
Merriwa Annual Temperatures & Rainfall
Merriwa Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°C |
1.1 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 0.8 | 3.0 |
| ≥ 35°C |
8.5 | 4.2 | 1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 2.7 | 5.4 | 23.2 |
| ≥ 30°C |
18.6 | 13.8 | 9.1 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 1.1 | 5.6 | 9.6 | 14.9 | 73.7 |
| ≤ 2°C |
0.0 | 0.0 | 0.0 | 0.5 | 6.2 | 10.0 | 14.6 | 13.6 | 7.1 | 1.4 | 0.0 | 0.0 | 54.9 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.1 | 2.4 | 5.8 | 9.3 | 7.2 | 2.2 | 0.1 | 0.0 | 0.0 | 28.0 |
Merriwa 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
36.2 | 33.1 | 30.7 | 26.8 | 22.4 | 18.5 | 18.1 | 22.4 | 25.8 | 29.8 | 33.6 | 33.8 | 30.5 |
| Low Max |
25.4 | 24.6 | 23.6 | 20.1 | 16.3 | 14.2 | 13.3 | 14.2 | 16.9 | 19.4 | 22.0 | 23.1 | 16.3 |
| High Min |
19.4 | 18.9 | 16.6 | 12.9 | 8.7 | 9.7 | 6.5 | 6.9 | 9.5 | 12.5 | 16.4 | 17.6 | 16.4 |
| Low Min |
13.2 | 11.9 | 9.6 | 4.9 | 0.5 | -0.6 | -1.8 | -1.2 | 1.3 | 3.4 | 8.8 | 10.2 | 2.0 |
Merriwa Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 16.0 |
| Earliest Entry |
2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2007 | 2007 | 2007 | 2007 | 2007 | 2007 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2024 |
| Years of Maxima |
17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 16.0 |
| Earliest Entry |
2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2007 | 2007 | 2007 | 2007 | 2007 | 2007 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2024 |
| Years of Rainfall |
55 | 54 | 55 | 55 | 54 | 56 | 56 | 56 | 55 | 55 | 55 | 54 | 54.0 |
| Earliest Entry |
1970 | 1970 | 1970 | 1970 | 1970 | 1969 | 1969 | 1969 | 1970 | 1970 | 1969 | 1970 | 1969 |
| Latest Entry |
2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2024 | 2023 | 2024 |
Station Details
MERRIWA (ROSCOMMON)
Hunter, New South Wales/ACT
Hunter, New South Wales/ACT
32.1852°S 150.1737°E
375m AMSL
Commenced 1969
Commenced 1969
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