| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 3.85 | 0.06 |
| Feb | 3.93 | 4.10 | -0.17 |
| Mar | 4.27 | 4.28 | -0.01 |
| Apr | 3.93 | 4.05 | -0.12 |
| May | 4.35 | 4.41 | -0.06 |
| Jun | 4.06 | 4.38 | -0.32 |
| Jul | 2.78 | 2.68 | 0.10 |
| Aug | 2.64 | 2.82 | -0.18 |
| Sep | 3.30 | 3.20 | 0.10 |
| Oct | 4.54 | 4.54 | 0.00 |
| Nov | 3.69 | 3.96 | -0.27 |
| Dec | 4.33 | 4.60 | -0.27 |
45.73 | 46.87 | -1.14 |