| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 2.07 | -0.55 |
| Feb | 1.13 | 1.52 | -0.39 |
| Mar | 1.57 | 1.76 | -0.19 |
| Apr | 1.98 | 1.99 | -0.01 |
| May | 2.31 | 2.55 | -0.24 |
| Jun | 1.81 | 1.93 | -0.12 |
| Jul | 1.04 | 1.20 | -0.16 |
| Aug | 1.19 | 1.17 | 0.02 |
| Sep | 1.51 | 1.58 | -0.07 |
| Oct | 1.61 | 1.81 | -0.20 |
| Nov | 1.44 | 1.68 | -0.24 |
| Dec | 1.71 | 1.99 | -0.28 |
18.82 | 21.25 | -2.43 |