| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.41 | 0.02 |
| Feb | 0.50 | 0.49 | 0.01 |
| Mar | 1.20 | 1.28 | -0.08 |
| Apr | 2.05 | 2.03 | 0.02 |
| May | 2.57 | 2.79 | -0.22 |
| Jun | 1.77 | 1.73 | 0.04 |
| Jul | 1.57 | 1.55 | 0.02 |
| Aug | 1.42 | 1.40 | 0.02 |
| Sep | 1.35 | 1.36 | -0.01 |
| Oct | 1.15 | 1.24 | -0.09 |
| Nov | 0.74 | 0.73 | 0.01 |
| Dec | 0.47 | 0.49 | -0.02 |
15.22 | 15.50 | -0.28 |