| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.13 | -0.05 |
| Feb | 1.52 | 1.53 | -0.01 |
| Mar | 2.17 | 2.27 | -0.10 |
| Apr | 3.83 | 3.90 | -0.07 |
| May | 5.35 | 5.40 | -0.05 |
| Jun | 5.18 | 5.19 | -0.01 |
| Jul | 4.26 | 4.52 | -0.26 |
| Aug | 4.22 | 4.24 | -0.02 |
| Sep | 3.87 | 3.83 | 0.04 |
| Oct | 2.94 | 2.91 | 0.03 |
| Nov | 2.14 | 2.12 | 0.02 |
| Dec | 1.57 | 1.60 | -0.03 |
38.13 | 38.64 | -0.51 |