| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.95 | -0.13 |
| Feb | 2.53 | 2.64 | -0.11 |
| Mar | 4.21 | 4.16 | 0.05 |
| Apr | 5.01 | 5.24 | -0.23 |
| May | 5.94 | 5.99 | -0.05 |
| Jun | 4.62 | 4.66 | -0.04 |
| Jul | 4.24 | 4.00 | 0.24 |
| Aug | 3.84 | 3.72 | 0.12 |
| Sep | 4.44 | 4.39 | 0.05 |
| Oct | 4.43 | 4.44 | -0.01 |
| Nov | 4.11 | 4.16 | -0.05 |
| Dec | 3.38 | 3.30 | 0.08 |
49.57 | 49.65 | -0.08 |