| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.61 | 4.58 | 0.03 |
| Feb | 4.73 | 4.65 | 0.08 |
| Mar | 4.94 | 4.95 | -0.01 |
| Apr | 4.01 | 4.10 | -0.09 |
| May | 3.28 | 3.25 | 0.03 |
| Jun | 4.49 | 4.36 | 0.13 |
| Jul | 4.77 | 4.73 | 0.04 |
| Aug | 4.23 | 4.19 | 0.04 |
| Sep | 3.74 | 3.62 | 0.12 |
| Oct | 3.20 | 3.37 | -0.17 |
| Nov | 3.84 | 3.83 | 0.01 |
| Dec | 4.79 | 4.71 | 0.08 |
50.63 | 50.34 | 0.29 |