| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.50 | 0.02 |
| Feb | 0.75 | 0.77 | -0.02 |
| Mar | 1.40 | 1.37 | 0.03 |
| Apr | 2.75 | 2.91 | -0.16 |
| May | 3.60 | 3.50 | 0.10 |
| Jun | 4.29 | 4.12 | 0.17 |
| Jul | 3.30 | 3.39 | -0.09 |
| Aug | 3.33 | 3.45 | -0.12 |
| Sep | 2.94 | 2.91 | 0.03 |
| Oct | 2.12 | 1.99 | 0.13 |
| Nov | 1.07 | 1.04 | 0.03 |
| Dec | 0.78 | 0.86 | -0.08 |
26.85 | 26.81 | 0.04 |