| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 2.27 | -0.20 |
| Feb | 2.06 | 2.27 | -0.21 |
| Mar | 3.05 | 3.13 | -0.08 |
| Apr | 4.74 | 4.93 | -0.19 |
| May | 5.02 | 4.82 | 0.20 |
| Jun | 4.41 | 4.37 | 0.04 |
| Jul | 4.34 | 4.16 | 0.18 |
| Aug | 3.87 | 3.91 | -0.04 |
| Sep | 4.07 | 4.05 | 0.02 |
| Oct | 3.61 | 3.58 | 0.03 |
| Nov | 2.95 | 2.99 | -0.04 |
| Dec | 2.17 | 2.29 | -0.12 |
42.36 | 42.77 | -0.41 |