| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.99 | 2.20 | -0.21 |
| Feb | 1.81 | 2.00 | -0.19 |
| Mar | 2.34 | 2.35 | -0.01 |
| Apr | 3.82 | 3.91 | -0.09 |
| May | 4.55 | 4.64 | -0.09 |
| Jun | 4.31 | 4.39 | -0.08 |
| Jul | 3.70 | 3.86 | -0.16 |
| Aug | 4.01 | 4.03 | -0.02 |
| Sep | 3.26 | 3.23 | 0.03 |
| Oct | 3.47 | 3.47 | 0.00 |
| Nov | 2.52 | 2.62 | -0.10 |
| Dec | 2.11 | 2.27 | -0.16 |
37.89 | 38.97 | -1.08 |