| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.86 | -0.07 |
| Feb | 2.30 | 2.44 | -0.14 |
| Mar | 3.14 | 3.24 | -0.10 |
| Apr | 4.17 | 4.38 | -0.21 |
| May | 4.54 | 4.56 | -0.02 |
| Jun | 4.86 | 4.96 | -0.10 |
| Jul | 4.24 | 4.28 | -0.04 |
| Aug | 3.25 | 3.18 | 0.07 |
| Sep | 3.22 | 3.29 | -0.07 |
| Oct | 3.23 | 3.11 | 0.12 |
| Nov | 3.40 | 3.48 | -0.08 |
| Dec | 2.74 | 2.82 | -0.08 |
41.88 | 42.60 | -0.72 |