| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.35 | 0.02 |
| Feb | 0.62 | 0.55 | 0.07 |
| Mar | 0.99 | 0.91 | 0.08 |
| Apr | 1.96 | 1.91 | 0.05 |
| May | 2.88 | 2.98 | -0.10 |
| Jun | 2.28 | 2.24 | 0.04 |
| Jul | 1.79 | 1.86 | -0.07 |
| Aug | 1.23 | 1.19 | 0.04 |
| Sep | 1.25 | 1.28 | -0.03 |
| Oct | 1.29 | 1.41 | -0.12 |
| Nov | 0.60 | 0.58 | 0.02 |
| Dec | 0.56 | 0.51 | 0.05 |
15.82 | 15.77 | 0.05 |