Divisional Mapping

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.
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Divisional Precipitation
March 2024 - February 2025
0"5"10"15"20"30"40"50"60"
California (Hover over a Climate Division)
PrecipPrecipitation:
Anomaly:
Rank:
Mean:
March 2024 - February 2025 California Divisional Precipitation
Climate Division
Value
Anomaly
Rank
130 Years
1901-2000 Mean
1. North Coast Drainage54.44in5.64in9348.80in
2. Sacramento Drainage38.59in3.32in8435.27in
3. Northeast Interior Basins20.10in-0.59in6920.69in
4. Central Coast Drainage18.03in-3.01in4821.04in
5. San Joaquin Drainage15.29in-4.85in3220.14in
6. South Coast Drainage10.70in-7.32in1718.02in
7. Southeast Desert Basins2.62in-3.67in26.29in

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