| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.41 | -0.17 |
| Feb | 2.83 | 2.97 | -0.14 |
| Mar | 3.98 | 4.21 | -0.23 |
| Apr | 3.42 | 3.53 | -0.11 |
| May | 3.48 | 3.87 | -0.39 |
| Jun | 4.16 | 4.14 | 0.02 |
| Jul | 4.32 | 4.25 | 0.07 |
| Aug | 4.65 | 4.65 | 0.00 |
| Sep | 4.08 | 4.47 | -0.39 |
| Oct | 3.83 | 4.22 | -0.39 |
| Nov | 3.22 | 3.27 | -0.05 |
| Dec | 3.81 | 4.00 | -0.19 |
45.02 | 46.99 | -1.97 |