| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.36 | -0.12 |
| Feb | 1.94 | 2.08 | -0.14 |
| Mar | 2.35 | 2.40 | -0.05 |
| Apr | 3.58 | 3.60 | -0.02 |
| May | 4.39 | 4.20 | 0.19 |
| Jun | 4.42 | 4.53 | -0.11 |
| Jul | 4.26 | 4.33 | -0.07 |
| Aug | 4.37 | 4.28 | 0.09 |
| Sep | 3.30 | 3.33 | -0.03 |
| Oct | 3.52 | 3.57 | -0.05 |
| Nov | 2.66 | 2.75 | -0.09 |
| Dec | 2.17 | 2.21 | -0.04 |
39.20 | 39.64 | -0.44 |