| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.72 | 2.80 | -0.08 |
| Feb | 2.13 | 2.15 | -0.02 |
| Mar | 3.24 | 3.27 | -0.03 |
| Apr | 3.23 | 3.33 | -0.10 |
| May | 4.18 | 4.08 | 0.10 |
| Jun | 4.49 | 4.60 | -0.11 |
| Jul | 4.12 | 3.96 | 0.16 |
| Aug | 3.77 | 3.55 | 0.22 |
| Sep | 4.35 | 4.53 | -0.18 |
| Oct | 3.08 | 3.01 | 0.07 |
| Nov | 2.84 | 2.87 | -0.03 |
| Dec | 2.88 | 3.14 | -0.26 |
41.03 | 41.29 | -0.26 |