| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.68 | -0.02 |
| Feb | 0.87 | 0.92 | -0.05 |
| Mar | 1.47 | 1.59 | -0.12 |
| Apr | 2.61 | 2.60 | 0.01 |
| May | 4.37 | 4.43 | -0.06 |
| Jun | 3.96 | 4.02 | -0.06 |
| Jul | 4.30 | 4.19 | 0.11 |
| Aug | 3.61 | 3.49 | 0.12 |
| Sep | 2.64 | 2.81 | -0.17 |
| Oct | 2.04 | 2.08 | -0.04 |
| Nov | 1.23 | 1.25 | -0.02 |
| Dec | 0.99 | 1.02 | -0.03 |
28.75 | 29.08 | -0.33 |