| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.61 | -0.01 |
| Feb | 0.71 | 0.73 | -0.02 |
| Mar | 1.34 | 1.39 | -0.05 |
| Apr | 2.02 | 2.22 | -0.20 |
| May | 3.98 | 3.96 | 0.02 |
| Jun | 3.34 | 3.59 | -0.25 |
| Jul | 4.16 | 4.31 | -0.15 |
| Aug | 3.24 | 3.37 | -0.13 |
| Sep | 2.02 | 2.15 | -0.13 |
| Oct | 1.77 | 1.81 | -0.04 |
| Nov | 1.06 | 1.11 | -0.05 |
| Dec | 0.82 | 0.86 | -0.04 |
25.06 | 26.11 | -1.05 |