| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.97 | -0.16 |
| Feb | 2.46 | 2.50 | -0.04 |
| Mar | 3.46 | 3.64 | -0.18 |
| Apr | 3.43 | 3.63 | -0.20 |
| May | 4.23 | 4.35 | -0.12 |
| Jun | 3.87 | 3.97 | -0.10 |
| Jul | 3.96 | 3.95 | 0.01 |
| Aug | 3.16 | 3.26 | -0.10 |
| Sep | 4.20 | 4.41 | -0.21 |
| Oct | 3.20 | 3.53 | -0.33 |
| Nov | 2.99 | 3.10 | -0.11 |
| Dec | 3.29 | 3.48 | -0.19 |
41.06 | 42.79 | -1.73 |