CLIMATE DIVISION CA-2
DIVISION
CA-2
CALIFORNIA
Sacramento Drainage
NOAA California climate division CA-2 — the whole measured record, 1895 to 2025.
The record in brief
GENERATED FROM THE DIVISIONAL TABLESacramento Drainage is NOAA climate division CA-2. The Sacramento Valley and everything draining into it: the northern Sierra, the southern Cascades, and the Modoc plateau.
- Warming, 1895–2025: +1.75°F per century (95% interval ±0.57), statistically significant.
- Warmest year: 2014, at 57.6°F.
- Water-year normal, 1991–2020: 35.8 inches.
- Wettest water year: 1983, 60.6 inches. Driest: 1924, 14.3 inches.
- Precipitation trend: +0.1 inches per century, not distinguishable from zero.
- ENSO correlation: r = 0.161 between the DJF Oceanic Niño Index and water-year precipitation, over 76 winters.
Temperature
ONE STRIPE PER YEAR, AND THE SERIES BENEATH ITPrecipitation
WATER YEARS, AS A PERCENT OF NORMALThis division against the state
WHERE IT SITSAll seven divisions are side by side here. For the climate of individual places inside this division — named stations, with their elevations and distances — see the same division on Golden State Weather.