| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 2.07 | -0.05 |
| Feb | 1.74 | 1.88 | -0.14 |
| Mar | 2.31 | 2.39 | -0.08 |
| Apr | 3.78 | 3.87 | -0.09 |
| May | 4.51 | 4.61 | -0.10 |
| Jun | 4.41 | 4.49 | -0.08 |
| Jul | 4.11 | 4.14 | -0.03 |
| Aug | 4.00 | 3.93 | 0.07 |
| Sep | 3.24 | 3.28 | -0.04 |
| Oct | 3.29 | 3.36 | -0.07 |
| Nov | 2.55 | 2.51 | 0.04 |
| Dec | 2.08 | 2.15 | -0.07 |
38.04 | 38.68 | -0.64 |