| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.35 | -0.03 |
| Feb | 2.71 | 2.76 | -0.05 |
| Mar | 4.17 | 4.31 | -0.14 |
| Apr | 3.61 | 3.64 | -0.03 |
| May | 3.87 | 4.16 | -0.29 |
| Jun | 4.41 | 4.40 | 0.01 |
| Jul | 4.70 | 4.68 | 0.02 |
| Aug | 4.19 | 4.26 | -0.07 |
| Sep | 4.73 | 4.86 | -0.13 |
| Oct | 4.12 | 4.50 | -0.38 |
| Nov | 3.37 | 3.39 | -0.02 |
| Dec | 3.96 | 4.12 | -0.16 |
47.16 | 48.43 | -1.27 |