| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.56 | 2.68 | -0.12 |
| Feb | 2.25 | 2.33 | -0.08 |
| Mar | 3.49 | 3.56 | -0.07 |
| Apr | 4.66 | 4.67 | -0.01 |
| May | 4.87 | 4.94 | -0.07 |
| Jun | 4.39 | 4.30 | 0.09 |
| Jul | 3.76 | 3.89 | -0.13 |
| Aug | 3.65 | 3.44 | 0.21 |
| Sep | 3.39 | 3.41 | -0.02 |
| Oct | 3.14 | 3.17 | -0.03 |
| Nov | 3.43 | 3.47 | -0.04 |
| Dec | 2.60 | 2.63 | -0.03 |
42.19 | 42.49 | -0.30 |