| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.29 | 0.27 | 0.02 |
| Feb | 0.40 | 0.36 | 0.04 |
| Mar | 0.83 | 0.86 | -0.03 |
| Apr | 1.61 | 1.63 | -0.02 |
| May | 2.59 | 2.84 | -0.25 |
| Jun | 2.38 | 2.37 | 0.01 |
| Jul | 2.21 | 2.29 | -0.08 |
| Aug | 1.62 | 1.77 | -0.15 |
| Sep | 1.38 | 1.37 | 0.01 |
| Oct | 1.01 | 0.99 | 0.02 |
| Nov | 0.49 | 0.49 | 0.00 |
| Dec | 0.34 | 0.38 | -0.04 |
15.15 | 15.62 | -0.47 |