Morena Dam Threshold Days by Year
10 fixed thresholds counted per year at Morena Dam (USC00045840): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Morena Dam Thresholds
- Morena Dam: days with 10 mm (0.39 in) or more of precipitation in 3 years, most in 1900 with 14.
- Morena Dam: days with 25 mm (0.98 in) or more of precipitation in 2 years, most in 1900 with 6.
- Morena Dam: days with a maximum temperature at or above 30 C (86 F) in 1 years, most in 1900 with 60.
- Morena Dam: days with a maximum temperature at or above 35 C (95 F) in 1 years, most in 1900 with 12.
- 10 fixed thresholds have at least one qualifying day at Morena Dam.
Days with 10 mm (0.39 in) or more of precipitation
3 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1900 | 14 | 14 |
| 1949 | 12 | 12 |
| 1950 | 7 | 7 |
| Year | First date | Last date |
|---|---|---|
| 1900 | 1900-01-03 | 1900-11-23 |
| 1949 | 1949-01-02 | 1949-12-19 |
| 1950 | 1950-01-08 | 1950-04-08 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 1 | 60 | 1900 | 60 |
| 35 C (95 F): Days | 1 | 12 | 1900 | 12 |
| 40 C (104 F): Days | 1 | 2 | 1900 | 2 |
| 90 F (32.2 C): Days | 1 | 38 | 1900 | 38 |
| 100 F (37.8 C): Days | 1 | 6 | 1900 | 6 |
| 0 C (32 F): Frost days (min | 1 | 43 | 1900 | 43 |
| 20 C (68 F): Tropical nights (min | 1 | 6 | 1900 | 6 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 3 | 14 | 1900 | 7 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 2 | 6 | 1900 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 2 | 1900 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.
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 (2025-12-31).