| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 2.94 | 0.31 |
| Feb | 2.56 | 2.30 | 0.26 |
| Mar | 3.53 | 3.33 | 0.20 |
| Apr | 3.85 | 3.71 | 0.14 |
| May | 4.09 | 4.10 | -0.01 |
| Jun | 4.17 | 3.87 | 0.30 |
| Jul | 4.39 | 4.52 | -0.13 |
| Aug | 3.94 | 4.17 | -0.23 |
| Sep | 4.57 | 4.34 | 0.23 |
| Oct | 4.05 | 3.78 | 0.27 |
| Nov | 3.32 | 3.04 | 0.28 |
| Dec | 3.41 | 3.16 | 0.25 |
45.13 | 43.26 | 1.87 |