| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.41 | -0.01 |
| Feb | 0.32 | 0.31 | 0.01 |
| Mar | 0.93 | 0.97 | -0.04 |
| Apr | 1.04 | 0.99 | 0.05 |
| May | 1.70 | 1.85 | -0.15 |
| Jun | 1.66 | 1.82 | -0.16 |
| Jul | 2.91 | 3.05 | -0.14 |
| Aug | 2.74 | 2.82 | -0.08 |
| Sep | 1.60 | 1.70 | -0.10 |
| Oct | 1.11 | 1.09 | 0.02 |
| Nov | 0.51 | 0.53 | -0.02 |
| Dec | 0.47 | 0.42 | 0.05 |
15.39 | 15.96 | -0.57 |