| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.55 | 1.63 | -0.08 |
| Feb | 1.89 | 1.97 | -0.08 |
| Mar | 2.73 | 2.67 | 0.06 |
| Apr | 4.27 | 4.18 | 0.09 |
| May | 5.44 | 5.26 | 0.18 |
| Jun | 5.13 | 5.49 | -0.36 |
| Jul | 4.61 | 4.37 | 0.24 |
| Aug | 4.13 | 3.78 | 0.35 |
| Sep | 3.79 | 3.90 | -0.11 |
| Oct | 3.33 | 3.33 | 0.00 |
| Nov | 2.50 | 2.54 | -0.04 |
| Dec | 1.89 | 1.77 | 0.12 |
41.26 | 40.89 | 0.37 |