| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.62 | -0.20 |
| Feb | 3.18 | 3.23 | -0.05 |
| Mar | 4.16 | 4.25 | -0.09 |
| Apr | 4.02 | 4.18 | -0.16 |
| May | 3.62 | 3.54 | 0.08 |
| Jun | 4.13 | 4.11 | 0.02 |
| Jul | 3.62 | 3.72 | -0.10 |
| Aug | 3.79 | 3.84 | -0.05 |
| Sep | 3.93 | 3.85 | 0.08 |
| Oct | 4.71 | 4.68 | 0.03 |
| Nov | 3.86 | 3.79 | 0.07 |
| Dec | 4.47 | 4.61 | -0.14 |
46.91 | 47.42 | -0.51 |