| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 1.07 | -0.12 |
| Feb | 0.91 | 1.02 | -0.11 |
| Mar | 1.35 | 1.41 | -0.06 |
| Apr | 2.32 | 2.35 | -0.03 |
| May | 3.14 | 3.13 | 0.01 |
| Jun | 4.42 | 4.55 | -0.13 |
| Jul | 4.10 | 4.16 | -0.06 |
| Aug | 3.55 | 3.45 | 0.10 |
| Sep | 3.32 | 3.57 | -0.25 |
| Oct | 2.94 | 2.83 | 0.11 |
| Nov | 1.67 | 1.72 | -0.05 |
| Dec | 1.27 | 1.51 | -0.24 |
29.94 | 30.77 | -0.83 |