| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.63 | -0.20 |
| Feb | 2.73 | 2.89 | -0.16 |
| Mar | 4.04 | 4.30 | -0.26 |
| Apr | 3.73 | 3.69 | 0.04 |
| May | 3.97 | 4.09 | -0.12 |
| Jun | 4.27 | 4.41 | -0.14 |
| Jul | 4.94 | 4.92 | 0.02 |
| Aug | 4.45 | 4.78 | -0.33 |
| Sep | 4.32 | 4.42 | -0.10 |
| Oct | 4.12 | 4.11 | 0.01 |
| Nov | 3.32 | 3.36 | -0.04 |
| Dec | 4.23 | 4.42 | -0.19 |
47.55 | 49.02 | -1.47 |