| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.81 | -0.19 |
| Feb | 3.04 | 3.18 | -0.14 |
| Mar | 3.65 | 3.85 | -0.20 |
| Apr | 3.25 | 3.47 | -0.22 |
| May | 3.42 | 3.39 | 0.03 |
| Jun | 4.08 | 4.17 | -0.09 |
| Jul | 3.97 | 4.30 | -0.33 |
| Aug | 4.28 | 4.56 | -0.28 |
| Sep | 3.85 | 4.22 | -0.37 |
| Oct | 3.27 | 3.41 | -0.14 |
| Nov | 3.12 | 3.28 | -0.16 |
| Dec | 3.36 | 3.79 | -0.43 |
42.91 | 45.43 | -2.52 |