| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.14 | -0.10 |
| Feb | 2.69 | 2.86 | -0.17 |
| Mar | 3.89 | 4.06 | -0.17 |
| Apr | 3.53 | 3.56 | -0.03 |
| May | 4.22 | 4.35 | -0.13 |
| Jun | 4.28 | 4.29 | -0.01 |
| Jul | 4.43 | 4.39 | 0.04 |
| Aug | 4.16 | 4.01 | 0.15 |
| Sep | 4.38 | 4.54 | -0.16 |
| Oct | 4.05 | 4.13 | -0.08 |
| Nov | 3.24 | 3.26 | -0.02 |
| Dec | 3.72 | 3.91 | -0.19 |
45.63 | 46.50 | -0.87 |