| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.35 | 2.39 | -0.04 |
| Feb | 1.91 | 2.04 | -0.13 |
| Mar | 2.42 | 2.49 | -0.07 |
| Apr | 3.63 | 3.62 | 0.01 |
| May | 4.33 | 4.27 | 0.06 |
| Jun | 4.68 | 4.87 | -0.19 |
| Jul | 4.60 | 4.71 | -0.11 |
| Aug | 4.33 | 4.19 | 0.14 |
| Sep | 3.24 | 3.23 | 0.01 |
| Oct | 3.36 | 3.32 | 0.04 |
| Nov | 2.67 | 2.74 | -0.07 |
| Dec | 2.17 | 2.29 | -0.12 |
39.69 | 40.16 | -0.47 |