| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.46 | -0.20 |
| Feb | 2.76 | 2.85 | -0.09 |
| Mar | 4.02 | 4.04 | -0.02 |
| Apr | 3.94 | 4.03 | -0.09 |
| May | 3.76 | 3.78 | -0.02 |
| Jun | 4.32 | 4.53 | -0.21 |
| Jul | 4.42 | 4.46 | -0.04 |
| Aug | 4.52 | 4.61 | -0.09 |
| Sep | 4.16 | 4.26 | -0.10 |
| Oct | 4.32 | 4.34 | -0.02 |
| Nov | 3.55 | 3.54 | 0.01 |
| Dec | 4.10 | 4.26 | -0.16 |
47.13 | 48.16 | -1.03 |