| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.40 | 4.31 | 0.09 |
| Feb | 4.77 | 4.75 | 0.02 |
| Mar | 5.08 | 5.06 | 0.02 |
| Apr | 5.00 | 5.35 | -0.35 |
| May | 5.14 | 5.49 | -0.35 |
| Jun | 4.79 | 4.55 | 0.24 |
| Jul | 4.40 | 4.73 | -0.33 |
| Aug | 3.80 | 3.59 | 0.21 |
| Sep | 3.71 | 3.87 | -0.16 |
| Oct | 3.80 | 3.75 | 0.05 |
| Nov | 3.90 | 3.80 | 0.10 |
| Dec | 5.19 | 5.14 | 0.05 |
53.98 | 54.39 | -0.41 |