| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.59 | 4.64 | 0.95 |
| Feb | 4.83 | 4.67 | 0.16 |
| Mar | 5.18 | 5.06 | 0.12 |
| Apr | 4.88 | 5.01 | -0.13 |
| May | 4.39 | 4.57 | -0.18 |
| Jun | 4.98 | 4.82 | 0.16 |
| Jul | 4.82 | 4.69 | 0.13 |
| Aug | 4.80 | 4.63 | 0.17 |
| Sep | 3.99 | 4.35 | -0.36 |
| Oct | 4.28 | 3.72 | 0.56 |
| Nov | 4.40 | 4.43 | -0.03 |
| Dec | 5.55 | 5.23 | 0.32 |
57.69 | 55.82 | 1.87 |