| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.39 | 0.03 |
| Feb | 0.64 | 0.63 | 0.01 |
| Mar | 1.08 | 0.99 | 0.09 |
| Apr | 2.03 | 2.15 | -0.12 |
| May | 3.13 | 2.99 | 0.14 |
| Jun | 2.44 | 2.51 | -0.07 |
| Jul | 1.94 | 1.94 | 0.00 |
| Aug | 1.25 | 1.33 | -0.08 |
| Sep | 1.31 | 1.39 | -0.08 |
| Oct | 1.42 | 1.51 | -0.09 |
| Nov | 0.63 | 0.68 | -0.05 |
| Dec | 0.59 | 0.50 | 0.09 |
16.88 | 17.01 | -0.13 |