| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.23 | 2.44 | -0.21 |
| Feb | 1.95 | 2.14 | -0.19 |
| Mar | 2.28 | 2.37 | -0.09 |
| Apr | 3.49 | 3.67 | -0.18 |
| May | 4.28 | 4.20 | 0.08 |
| Jun | 4.25 | 4.29 | -0.04 |
| Jul | 3.87 | 4.14 | -0.27 |
| Aug | 4.07 | 4.15 | -0.08 |
| Sep | 3.42 | 3.43 | -0.01 |
| Oct | 3.52 | 3.80 | -0.28 |
| Nov | 2.65 | 2.82 | -0.17 |
| Dec | 2.19 | 2.32 | -0.13 |
38.20 | 39.77 | -1.57 |