| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.29 | -0.18 |
| Feb | 1.01 | 1.14 | -0.13 |
| Mar | 1.54 | 1.58 | -0.04 |
| Apr | 2.60 | 2.64 | -0.04 |
| May | 3.24 | 2.99 | 0.25 |
| Jun | 3.57 | 3.39 | 0.18 |
| Jul | 3.49 | 3.22 | 0.27 |
| Aug | 3.08 | 2.91 | 0.17 |
| Sep | 3.35 | 3.22 | 0.13 |
| Oct | 3.08 | 3.27 | -0.19 |
| Nov | 1.88 | 1.84 | 0.04 |
| Dec | 1.45 | 1.66 | -0.21 |
29.40 | 29.15 | 0.25 |