| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.51 | 0.04 |
| Feb | 3.09 | 3.05 | 0.04 |
| Mar | 3.75 | 3.78 | -0.03 |
| Apr | 3.48 | 3.52 | -0.04 |
| May | 3.79 | 3.71 | 0.08 |
| Jun | 4.59 | 4.52 | 0.07 |
| Jul | 5.27 | 5.39 | -0.12 |
| Aug | 5.20 | 5.34 | -0.14 |
| Sep | 5.69 | 5.61 | 0.08 |
| Oct | 3.27 | 3.35 | -0.08 |
| Nov | 3.33 | 3.32 | 0.01 |
| Dec | 3.40 | 3.37 | 0.03 |
48.41 | 48.47 | -0.06 |