| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.29 | 2.70 | -0.41 |
| Feb | 2.01 | 2.08 | -0.07 |
| Mar | 2.21 | 2.31 | -0.10 |
| Apr | 3.39 | 3.42 | -0.03 |
| May | 4.14 | 4.27 | -0.13 |
| Jun | 4.12 | 4.13 | -0.01 |
| Jul | 3.64 | 3.73 | -0.09 |
| Aug | 3.77 | 3.89 | -0.12 |
| Sep | 3.40 | 3.25 | 0.15 |
| Oct | 3.49 | 3.31 | 0.18 |
| Nov | 2.70 | 2.86 | -0.16 |
| Dec | 2.18 | 2.30 | -0.12 |
37.34 | 38.25 | -0.91 |