| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 1.08 | -0.08 |
| Feb | 1.34 | 1.47 | -0.13 |
| Mar | 2.31 | 2.48 | -0.17 |
| Apr | 3.85 | 4.16 | -0.31 |
| May | 5.08 | 5.26 | -0.18 |
| Jun | 5.16 | 5.26 | -0.10 |
| Jul | 4.33 | 4.65 | -0.32 |
| Aug | 4.34 | 4.47 | -0.13 |
| Sep | 3.62 | 4.04 | -0.42 |
| Oct | 3.23 | 3.48 | -0.25 |
| Nov | 1.90 | 2.09 | -0.19 |
| Dec | 1.52 | 1.64 | -0.12 |
37.68 | 40.08 | -2.40 |