| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.25 | -0.02 |
| Feb | 3.40 | 3.52 | -0.12 |
| Mar | 3.65 | 3.72 | -0.07 |
| Apr | 3.87 | 3.88 | -0.01 |
| May | 4.80 | 5.06 | -0.26 |
| Jun | 5.38 | 5.20 | 0.18 |
| Jul | 3.93 | 3.80 | 0.13 |
| Aug | 4.54 | 4.61 | -0.07 |
| Sep | 4.54 | 4.77 | -0.23 |
| Oct | 5.36 | 5.53 | -0.17 |
| Nov | 4.57 | 4.88 | -0.31 |
| Dec | 4.35 | 4.34 | 0.01 |
52.62 | 53.56 | -0.94 |