| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 3.03 | -0.18 |
| Feb | 2.10 | 2.22 | -0.12 |
| Mar | 2.72 | 3.03 | -0.31 |
| Apr | 3.47 | 3.61 | -0.14 |
| May | 3.56 | 3.66 | -0.10 |
| Jun | 4.22 | 4.42 | -0.20 |
| Jul | 4.24 | 4.17 | 0.07 |
| Aug | 3.92 | 4.12 | -0.20 |
| Sep | 3.97 | 3.91 | 0.06 |
| Oct | 3.89 | 4.08 | -0.19 |
| Nov | 3.10 | 3.34 | -0.24 |
| Dec | 3.14 | 3.30 | -0.16 |
41.18 | 42.89 | -1.71 |