| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 2.71 | -0.03 |
| Feb | 2.16 | 2.29 | -0.13 |
| Mar | 3.31 | 3.39 | -0.08 |
| Apr | 3.39 | 3.36 | 0.03 |
| May | 4.16 | 4.08 | 0.08 |
| Jun | 3.99 | 3.93 | 0.06 |
| Jul | 3.98 | 3.74 | 0.24 |
| Aug | 3.18 | 3.21 | -0.03 |
| Sep | 4.07 | 4.28 | -0.21 |
| Oct | 3.03 | 3.21 | -0.18 |
| Nov | 2.88 | 2.86 | 0.02 |
| Dec | 3.01 | 3.10 | -0.09 |
39.84 | 40.16 | -0.32 |