| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.61 | -0.32 |
| Feb | 2.95 | 3.07 | -0.12 |
| Mar | 3.56 | 3.62 | -0.06 |
| Apr | 3.82 | 3.76 | 0.06 |
| May | 3.79 | 3.86 | -0.07 |
| Jun | 4.48 | 4.53 | -0.05 |
| Jul | 4.16 | 4.02 | 0.14 |
| Aug | 4.28 | 4.16 | 0.12 |
| Sep | 4.48 | 4.57 | -0.09 |
| Oct | 4.77 | 4.62 | 0.15 |
| Nov | 3.55 | 3.56 | -0.01 |
| Dec | 4.24 | 4.38 | -0.14 |
47.37 | 47.76 | -0.39 |