Merriwa (Roscommon) Threshold Days by Year (ASN00061287)
14 fixed thresholds counted per year at Merriwa (Roscommon) (ASN00061287): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Merriwa (Roscommon) Thresholds
- Merriwa (Roscommon): days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 2020 with 35.
- Merriwa (Roscommon): days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1992 with 11.
- Merriwa (Roscommon): days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 2021 with 4.
- Merriwa (Roscommon): days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 2019 with 118.
- 14 fixed thresholds have at least one qualifying day at Merriwa (Roscommon).
Days at or above 30 C (86 F)
14 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 2013 | 78 | 93.9 |
| 2014 | 90 | 93.9 |
| 2015 | 86 | 93.9 |
| 2016 | 84 | 93.9 |
| 2017 | 98 | 93.9 |
| 2018 | 103 | 93.9 |
| 2019 | 118 | 93.9 |
| 2020 | 49 | 67.1 |
| 2021 | 39 | 67.1 |
| 2022 | 32 | 67.1 |
| 2023 | 112 | 67.1 |
| 2024 | 98 | 67.1 |
| 2025 | 75 | 67.1 |
| 2026 | 65 | 67.1 |
| Year | First date | Last date |
|---|---|---|
| 2013 | 2013-01-01 | 2013-12-31 |
| 2014 | 2014-01-01 | 2014-12-30 |
| 2015 | 2015-01-01 | 2015-12-21 |
| 2016 | 2016-01-10 | 2016-12-31 |
| 2017 | 2017-01-01 | 2017-12-31 |
| 2018 | 2018-01-01 | 2018-12-31 |
| 2019 | 2019-01-01 | 2019-12-31 |
| 2020 | 2020-01-01 | 2020-12-28 |
| 2021 | 2021-01-12 | 2021-12-26 |
| 2022 | 2022-01-02 | 2022-12-31 |
| 2023 | 2023-01-01 | 2023-12-30 |
| 2024 | 2024-01-01 | 2024-12-31 |
| 2025 | 2025-01-01 | 2025-12-30 |
| 2026 | 2026-01-01 | 2026-10-02 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 14 | 118 | 2019 | 65 |
| 35 C (95 F): Days | 13 | 56 | 2019 | 22 |
| 40 C (104 F): Days | 10 | 9 | 2019 | 2 |
| 45 C (113 F): Days | 1 | 1 | 2017 | 1 |
| 90 F (32.2 C): Days | 14 | 93 | 2019 | 44 |
| 100 F (37.8 C): Days | 11 | 21 | 2017 | 5 |
| 110 F (43.3 C): Days | 4 | 2 | 2013 | 1 |
| 0 C (32 F): Frost days (min | 14 | 42 | 2017 | 18 |
| 20 C (68 F): Tropical nights (min | 14 | 29 | 2017 | 8 |
| 25 C (77 F): Days with min | 4 | 2 | 2017 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 56 | 35 | 2020 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 53 | 11 | 1992 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 27 | 4 | 2021 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1976 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2013.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-17).