| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.81 | 5.09 | -0.28 |
| Feb | 5.00 | 5.13 | -0.13 |
| Mar | 5.24 | 5.64 | -0.40 |
| Apr | 4.26 | 4.41 | -0.15 |
| May | 3.88 | 3.95 | -0.07 |
| Jun | 4.55 | 4.68 | -0.13 |
| Jul | 4.84 | 4.91 | -0.07 |
| Aug | 4.17 | 4.64 | -0.47 |
| Sep | 3.78 | 3.73 | 0.05 |
| Oct | 3.08 | 3.18 | -0.10 |
| Nov | 4.03 | 4.11 | -0.08 |
| Dec | 5.30 | 5.36 | -0.06 |
52.94 | 54.83 | -1.89 |