| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.37 | -0.13 |
| Feb | 2.84 | 3.01 | -0.17 |
| Mar | 3.49 | 3.69 | -0.20 |
| Apr | 3.72 | 3.91 | -0.19 |
| May | 3.66 | 3.70 | -0.04 |
| Jun | 4.49 | 4.48 | 0.01 |
| Jul | 4.19 | 4.10 | 0.09 |
| Aug | 4.24 | 4.14 | 0.10 |
| Sep | 4.49 | 4.52 | -0.03 |
| Oct | 4.63 | 4.80 | -0.17 |
| Nov | 3.42 | 3.54 | -0.12 |
| Dec | 4.03 | 4.26 | -0.23 |
46.44 | 47.52 | -1.08 |