| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 1.05 | -0.02 |
| Feb | 1.34 | 1.47 | -0.13 |
| Mar | 2.17 | 2.25 | -0.08 |
| Apr | 3.84 | 3.90 | -0.06 |
| May | 5.21 | 5.32 | -0.11 |
| Jun | 5.10 | 5.29 | -0.19 |
| Jul | 4.64 | 4.56 | 0.08 |
| Aug | 4.25 | 4.23 | 0.02 |
| Sep | 3.85 | 3.90 | -0.05 |
| Oct | 2.96 | 2.95 | 0.01 |
| Nov | 2.12 | 2.04 | 0.08 |
| Dec | 1.44 | 1.48 | -0.04 |
37.95 | 38.44 | -0.49 |