| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.70 | 0.19 |
| Feb | 3.26 | 3.18 | 0.08 |
| Mar | 3.88 | 3.81 | 0.07 |
| Apr | 3.41 | 3.52 | -0.11 |
| May | 3.89 | 4.12 | -0.23 |
| Jun | 5.06 | 5.12 | -0.06 |
| Jul | 5.71 | 5.72 | -0.01 |
| Aug | 6.28 | 6.14 | 0.14 |
| Sep | 5.89 | 5.92 | -0.03 |
| Oct | 3.75 | 3.77 | -0.02 |
| Nov | 3.35 | 3.41 | -0.06 |
| Dec | 3.59 | 3.51 | 0.08 |
51.96 | 51.92 | 0.04 |