| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.11 | -0.07 |
| Feb | 0.99 | 1.06 | -0.07 |
| Mar | 1.46 | 1.67 | -0.21 |
| Apr | 2.64 | 2.90 | -0.26 |
| May | 3.37 | 3.47 | -0.10 |
| Jun | 4.04 | 4.26 | -0.22 |
| Jul | 4.16 | 4.22 | -0.06 |
| Aug | 3.84 | 4.03 | -0.19 |
| Sep | 3.22 | 3.39 | -0.17 |
| Oct | 3.14 | 3.24 | -0.10 |
| Nov | 1.86 | 2.06 | -0.20 |
| Dec | 1.46 | 1.62 | -0.16 |
31.22 | 33.03 | -1.81 |