| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.29 | -0.07 |
| Feb | 2.71 | 2.81 | -0.10 |
| Mar | 3.28 | 3.41 | -0.13 |
| Apr | 3.62 | 3.71 | -0.09 |
| May | 3.95 | 3.78 | 0.17 |
| Jun | 4.89 | 4.42 | 0.47 |
| Jul | 4.49 | 4.93 | -0.44 |
| Aug | 4.43 | 4.57 | -0.14 |
| Sep | 4.46 | 4.06 | 0.40 |
| Oct | 4.56 | 4.61 | -0.05 |
| Nov | 3.73 | 3.70 | 0.03 |
| Dec | 3.83 | 4.12 | -0.29 |
47.17 | 47.41 | -0.24 |