| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 2.75 | 0.14 |
| Feb | 2.32 | 2.19 | 0.13 |
| Mar | 3.43 | 3.19 | 0.24 |
| Apr | 3.34 | 3.22 | 0.12 |
| May | 4.28 | 3.92 | 0.36 |
| Jun | 4.34 | 3.94 | 0.40 |
| Jul | 4.34 | 3.93 | 0.41 |
| Aug | 3.61 | 3.71 | -0.10 |
| Sep | 4.23 | 3.96 | 0.27 |
| Oct | 2.91 | 2.61 | 0.30 |
| Nov | 2.82 | 2.60 | 0.22 |
| Dec | 3.11 | 2.89 | 0.22 |
41.62 | 38.91 | 2.71 |