| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.42 | 4.82 | -0.40 |
| Feb | 3.64 | 4.07 | -0.43 |
| Mar | 4.48 | 4.90 | -0.42 |
| Apr | 4.66 | 5.05 | -0.39 |
| May | 5.00 | 5.33 | -0.33 |
| Jun | 5.08 | 5.25 | -0.17 |
| Jul | 5.56 | 6.14 | -0.58 |
| Aug | 4.55 | 5.09 | -0.54 |
| Sep | 4.71 | 4.88 | -0.17 |
| Oct | 3.73 | 3.85 | -0.12 |
| Nov | 3.81 | 3.59 | 0.22 |
| Dec | 4.24 | 4.59 | -0.35 |
53.88 | 57.56 | -3.68 |