| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.65 | -0.03 |
| Feb | 0.59 | 0.62 | -0.03 |
| Mar | 1.08 | 1.10 | -0.02 |
| Apr | 1.92 | 2.01 | -0.09 |
| May | 3.10 | 3.22 | -0.12 |
| Jun | 4.23 | 4.39 | -0.16 |
| Jul | 3.72 | 3.94 | -0.22 |
| Aug | 2.83 | 2.96 | -0.13 |
| Sep | 2.83 | 2.93 | -0.10 |
| Oct | 2.53 | 2.60 | -0.07 |
| Nov | 1.02 | 1.09 | -0.07 |
| Dec | 0.74 | 0.91 | -0.17 |
25.21 | 26.42 | -1.21 |