| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.14 | -0.05 |
| Feb | 2.91 | 2.84 | 0.07 |
| Mar | 3.92 | 3.62 | 0.30 |
| Apr | 3.93 | 3.91 | 0.02 |
| May | 4.15 | 4.29 | -0.14 |
| Jun | 4.29 | 4.32 | -0.03 |
| Jul | 4.41 | 4.39 | 0.02 |
| Aug | 3.34 | 3.32 | 0.02 |
| Sep | 3.44 | 3.19 | 0.25 |
| Oct | 3.03 | 2.99 | 0.04 |
| Nov | 2.92 | 2.80 | 0.12 |
| Dec | 3.18 | 3.29 | -0.11 |
42.61 | 42.10 | 0.51 |