| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.08 | -0.03 |
| Feb | 0.99 | 1.01 | -0.02 |
| Mar | 1.57 | 1.56 | 0.01 |
| Apr | 1.40 | 1.44 | -0.04 |
| May | 2.69 | 2.94 | -0.25 |
| Jun | 2.43 | 2.49 | -0.06 |
| Jul | 2.38 | 2.53 | -0.15 |
| Aug | 1.94 | 1.44 | 0.50 |
| Sep | 4.45 | 4.13 | 0.32 |
| Oct | 2.06 | 1.83 | 0.23 |
| Nov | 1.30 | 1.27 | 0.03 |
| Dec | 1.06 | 1.32 | -0.26 |
23.32 | 23.04 | 0.28 |