| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.08 | -0.14 |
| Feb | 2.20 | 2.43 | -0.23 |
| Mar | 2.67 | 2.86 | -0.19 |
| Apr | 3.42 | 3.38 | 0.04 |
| May | 3.30 | 3.23 | 0.07 |
| Jun | 3.49 | 3.53 | -0.04 |
| Jul | 3.54 | 3.26 | 0.28 |
| Aug | 3.35 | 3.13 | 0.22 |
| Sep | 3.96 | 3.95 | 0.01 |
| Oct | 3.79 | 3.93 | -0.14 |
| Nov | 3.27 | 3.47 | -0.20 |
| Dec | 3.35 | 3.43 | -0.08 |
39.28 | 39.68 | -0.40 |