| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.26 | -0.22 |
| Feb | 2.49 | 2.55 | -0.06 |
| Mar | 3.26 | 3.35 | -0.09 |
| Apr | 3.62 | 3.69 | -0.07 |
| May | 4.12 | 4.10 | 0.02 |
| Jun | 4.53 | 4.55 | -0.02 |
| Jul | 4.02 | 4.00 | 0.02 |
| Aug | 3.71 | 3.62 | 0.09 |
| Sep | 3.60 | 3.64 | -0.04 |
| Oct | 3.00 | 3.11 | -0.11 |
| Nov | 2.87 | 3.03 | -0.16 |
| Dec | 3.06 | 3.14 | -0.08 |
41.32 | 42.04 | -0.72 |