| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.19 | 1.27 | -0.08 |
| Feb | 1.55 | 1.67 | -0.12 |
| Mar | 2.41 | 2.53 | -0.12 |
| Apr | 4.04 | 4.17 | -0.13 |
| May | 5.46 | 5.55 | -0.09 |
| Jun | 5.19 | 5.45 | -0.26 |
| Jul | 4.64 | 4.56 | 0.08 |
| Aug | 4.49 | 4.41 | 0.08 |
| Sep | 3.91 | 4.30 | -0.39 |
| Oct | 3.25 | 3.36 | -0.11 |
| Nov | 2.18 | 2.24 | -0.06 |
| Dec | 1.62 | 1.74 | -0.12 |
39.93 | 41.25 | -1.32 |