| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 4.19 | -0.31 |
| Feb | 3.61 | 3.81 | -0.20 |
| Mar | 3.98 | 4.29 | -0.31 |
| Apr | 3.16 | 3.25 | -0.09 |
| May | 3.38 | 3.30 | 0.08 |
| Jun | 5.36 | 5.25 | 0.11 |
| Jul | 4.96 | 4.95 | 0.01 |
| Aug | 4.96 | 5.20 | -0.24 |
| Sep | 4.16 | 4.33 | -0.17 |
| Oct | 3.27 | 3.25 | 0.02 |
| Nov | 2.98 | 3.11 | -0.13 |
| Dec | 3.86 | 3.98 | -0.12 |
47.56 | 48.91 | -1.35 |