| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.01 | 4.12 | -0.11 |
| Feb | 4.40 | 4.45 | -0.05 |
| Mar | 5.28 | 5.19 | 0.09 |
| Apr | 5.54 | 5.75 | -0.21 |
| May | 5.17 | 4.95 | 0.22 |
| Jun | 3.60 | 3.47 | 0.13 |
| Jul | 3.54 | 3.64 | -0.10 |
| Aug | 3.36 | 3.43 | -0.07 |
| Sep | 3.27 | 3.61 | -0.34 |
| Oct | 4.43 | 4.47 | -0.04 |
| Nov | 4.28 | 4.35 | -0.07 |
| Dec | 5.34 | 5.74 | -0.40 |
52.22 | 53.17 | -0.95 |