| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 2.75 | 0.10 |
| Feb | 2.37 | 2.24 | 0.13 |
| Mar | 3.44 | 3.16 | 0.28 |
| Apr | 3.37 | 3.32 | 0.05 |
| May | 4.26 | 3.87 | 0.39 |
| Jun | 4.39 | 4.19 | 0.20 |
| Jul | 4.34 | 3.89 | 0.45 |
| Aug | 3.72 | 3.68 | 0.04 |
| Sep | 4.09 | 4.22 | -0.13 |
| Oct | 2.88 | 2.80 | 0.08 |
| Nov | 2.78 | 2.77 | 0.01 |
| Dec | 3.02 | 2.93 | 0.09 |
41.51 | 39.82 | 1.69 |