| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.31 | -0.08 |
| Feb | 3.02 | 3.16 | -0.14 |
| Mar | 3.70 | 3.68 | 0.02 |
| Apr | 4.20 | 4.24 | -0.04 |
| May | 3.53 | 3.48 | 0.05 |
| Jun | 4.44 | 4.57 | -0.13 |
| Jul | 3.64 | 3.62 | 0.02 |
| Aug | 3.65 | 3.61 | 0.04 |
| Sep | 3.82 | 3.87 | -0.05 |
| Oct | 5.13 | 5.12 | 0.01 |
| Nov | 4.16 | 4.07 | 0.09 |
| Dec | 4.20 | 4.36 | -0.16 |
46.72 | 47.09 | -0.37 |