| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 3.07 | -0.23 |
| Feb | 2.52 | 2.71 | -0.19 |
| Mar | 3.13 | 3.25 | -0.12 |
| Apr | 3.44 | 3.67 | -0.23 |
| May | 3.53 | 3.48 | 0.05 |
| Jun | 4.17 | 4.14 | 0.03 |
| Jul | 4.14 | 4.39 | -0.25 |
| Aug | 3.69 | 3.81 | -0.12 |
| Sep | 3.59 | 3.53 | 0.06 |
| Oct | 3.92 | 4.24 | -0.32 |
| Nov | 3.21 | 3.43 | -0.22 |
| Dec | 3.39 | 3.94 | -0.55 |
41.57 | 43.66 | -2.09 |