| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.26 | -0.04 |
| Feb | 1.93 | 2.04 | -0.11 |
| Mar | 2.31 | 2.39 | -0.08 |
| Apr | 3.63 | 3.67 | -0.04 |
| May | 4.22 | 4.32 | -0.10 |
| Jun | 4.34 | 4.35 | -0.01 |
| Jul | 4.22 | 4.12 | 0.10 |
| Aug | 3.96 | 4.10 | -0.14 |
| Sep | 3.46 | 3.42 | 0.04 |
| Oct | 3.48 | 3.57 | -0.09 |
| Nov | 2.80 | 2.71 | 0.09 |
| Dec | 2.14 | 2.23 | -0.09 |
38.71 | 39.18 | -0.47 |