| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 2.82 | 0.17 |
| Feb | 2.42 | 2.32 | 0.10 |
| Mar | 3.12 | 2.95 | 0.17 |
| Apr | 3.47 | 3.39 | 0.08 |
| May | 4.44 | 4.47 | -0.03 |
| Jun | 4.21 | 4.27 | -0.06 |
| Jul | 2.20 | 2.14 | 0.06 |
| Aug | 3.13 | 2.69 | 0.44 |
| Sep | 3.67 | 3.51 | 0.16 |
| Oct | 4.53 | 4.39 | 0.14 |
| Nov | 3.22 | 3.23 | -0.01 |
| Dec | 2.94 | 2.96 | -0.02 |
40.34 | 39.14 | 1.20 |