| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.67 | -0.05 |
| Feb | 0.57 | 0.65 | -0.08 |
| Mar | 1.02 | 1.03 | -0.01 |
| Apr | 1.35 | 1.32 | 0.03 |
| May | 2.89 | 2.85 | 0.04 |
| Jun | 4.00 | 4.03 | -0.03 |
| Jul | 3.47 | 3.44 | 0.03 |
| Aug | 2.83 | 2.80 | 0.03 |
| Sep | 2.64 | 2.75 | -0.11 |
| Oct | 2.08 | 2.21 | -0.13 |
| Nov | 0.80 | 0.82 | -0.02 |
| Dec | 0.74 | 0.85 | -0.11 |
23.01 | 23.42 | -0.41 |