| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.79 | 0.04 |
| Feb | 1.21 | 1.19 | 0.02 |
| Mar | 2.23 | 2.20 | 0.03 |
| Apr | 2.72 | 2.79 | -0.07 |
| May | 4.90 | 4.97 | -0.07 |
| Jun | 4.55 | 4.47 | 0.08 |
| Jul | 4.17 | 4.20 | -0.03 |
| Aug | 3.72 | 3.73 | -0.01 |
| Sep | 2.84 | 2.82 | 0.02 |
| Oct | 2.44 | 2.47 | -0.03 |
| Nov | 1.50 | 1.53 | -0.03 |
| Dec | 1.26 | 1.19 | 0.07 |
32.37 | 32.35 | 0.02 |