| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.19 | 0.01 |
| Feb | 3.77 | 3.71 | 0.06 |
| Mar | 5.19 | 5.18 | 0.01 |
| Apr | 4.52 | 4.57 | -0.05 |
| May | 3.63 | 3.57 | 0.06 |
| Jun | 4.03 | 3.81 | 0.22 |
| Jul | 3.34 | 3.27 | 0.07 |
| Aug | 3.56 | 3.72 | -0.16 |
| Sep | 3.97 | 3.75 | 0.22 |
| Oct | 4.90 | 5.01 | -0.11 |
| Nov | 4.39 | 4.35 | 0.04 |
| Dec | 4.94 | 5.03 | -0.09 |
50.44 | 50.16 | 0.28 |