| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.87 | -0.19 |
| Feb | 1.61 | 1.86 | -0.25 |
| Mar | 2.17 | 2.41 | -0.24 |
| Apr | 3.70 | 3.91 | -0.21 |
| May | 3.82 | 3.94 | -0.12 |
| Jun | 4.08 | 4.09 | -0.01 |
| Jul | 3.23 | 3.02 | 0.21 |
| Aug | 3.54 | 3.58 | -0.04 |
| Sep | 3.24 | 3.23 | 0.01 |
| Oct | 3.04 | 3.12 | -0.08 |
| Nov | 2.28 | 2.47 | -0.19 |
| Dec | 1.90 | 2.07 | -0.17 |
34.29 | 35.57 | -1.28 |