| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.68 | -0.17 |
| Feb | 2.91 | 2.95 | -0.04 |
| Mar | 4.24 | 4.21 | 0.03 |
| Apr | 3.79 | 3.81 | -0.02 |
| May | 3.74 | 3.91 | -0.17 |
| Jun | 4.48 | 4.39 | 0.09 |
| Jul | 4.39 | 4.47 | -0.08 |
| Aug | 4.31 | 4.19 | 0.12 |
| Sep | 4.69 | 4.94 | -0.25 |
| Oct | 3.48 | 3.39 | 0.09 |
| Nov | 3.33 | 3.32 | 0.01 |
| Dec | 3.62 | 3.54 | 0.08 |
46.49 | 46.80 | -0.31 |