| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.27 | 0.12 |
| Feb | 0.45 | 0.39 | 0.06 |
| Mar | 0.68 | 0.66 | 0.02 |
| Apr | 1.55 | 1.41 | 0.14 |
| May | 2.81 | 2.63 | 0.18 |
| Jun | 2.77 | 2.85 | -0.08 |
| Jul | 1.99 | 2.07 | -0.08 |
| Aug | 1.49 | 1.60 | -0.11 |
| Sep | 1.44 | 1.42 | 0.02 |
| Oct | 1.34 | 1.33 | 0.01 |
| Nov | 0.51 | 0.51 | 0.00 |
| Dec | 0.39 | 0.33 | 0.06 |
15.81 | 15.47 | 0.34 |