| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.99 | -0.02 |
| Feb | 0.99 | 1.01 | -0.02 |
| Mar | 1.48 | 1.53 | -0.05 |
| Apr | 2.66 | 2.80 | -0.14 |
| May | 3.48 | 3.53 | -0.05 |
| Jun | 4.16 | 4.41 | -0.25 |
| Jul | 4.21 | 4.35 | -0.14 |
| Aug | 3.86 | 3.89 | -0.03 |
| Sep | 3.33 | 3.42 | -0.09 |
| Oct | 3.12 | 3.07 | 0.05 |
| Nov | 1.81 | 1.93 | -0.12 |
| Dec | 1.38 | 1.48 | -0.10 |
31.45 | 32.41 | -0.96 |