| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.45 | -0.07 |
| Feb | 3.26 | 3.22 | 0.04 |
| Mar | 4.12 | 4.18 | -0.06 |
| Apr | 4.22 | 4.02 | 0.20 |
| May | 3.71 | 3.64 | 0.07 |
| Jun | 4.17 | 4.22 | -0.05 |
| Jul | 3.80 | 3.82 | -0.02 |
| Aug | 3.81 | 3.91 | -0.10 |
| Sep | 4.19 | 3.94 | 0.25 |
| Oct | 4.89 | 4.86 | 0.03 |
| Nov | 3.87 | 3.72 | 0.15 |
| Dec | 4.22 | 4.45 | -0.23 |
47.64 | 47.43 | 0.21 |