| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.72 | -0.32 |
| Feb | 2.53 | 2.83 | -0.30 |
| Mar | 2.78 | 2.86 | -0.08 |
| Apr | 3.38 | 3.49 | -0.11 |
| May | 3.45 | 3.65 | -0.20 |
| Jun | 3.65 | 3.82 | -0.17 |
| Jul | 3.50 | 3.60 | -0.10 |
| Aug | 3.64 | 3.76 | -0.12 |
| Sep | 3.71 | 3.78 | -0.07 |
| Oct | 4.59 | 4.87 | -0.28 |
| Nov | 3.78 | 3.96 | -0.18 |
| Dec | 3.53 | 3.91 | -0.38 |
41.94 | 44.25 | -2.31 |