CLIMATE DIVISION CA-7

Southeast Desert Basins

NOAA California climate division CA-7 — the whole measured record, 1895 to 2025.

DIVISION CA-7 CALIFORNIA

The record in brief

GENERATED FROM THE DIVISIONAL TABLE

Southeast Desert Basins is NOAA climate division CA-7. The Mojave and Colorado deserts, plus the Owens Valley — the driest division, and the one where ENSO speaks loudest.

Warming, 1895–2025: +2.73°F per century (95% interval ±0.51), statistically significant.
Warmest year: 2014, at 68.0°F.
Water-year normal, 1991–2020: 6.0 inches.
Wettest water year: 2005, 14.1 inches. Driest: 2002, 1.7 inches.
Precipitation trend: -0.5 inches per century, not distinguishable from zero.
ENSO correlation: r = 0.471 between the DJF Oceanic Niño Index and water-year precipitation, over 76 winters.

Temperature

ONE STRIPE PER YEAR, AND THE SERIES BENEATH IT

Precipitation

WATER YEARS, AS A PERCENT OF NORMAL

This division against the state

WHERE IT SITS

All 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.