| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.82 | -0.12 |
| Feb | 0.93 | 1.12 | -0.19 |
| Mar | 1.72 | 2.17 | -0.45 |
| Apr | 2.74 | 3.09 | -0.35 |
| May | 2.69 | 2.83 | -0.14 |
| Jun | 1.92 | 1.91 | 0.01 |
| Jul | 2.35 | 2.37 | -0.02 |
| Aug | 2.21 | 2.10 | 0.11 |
| Sep | 1.67 | 1.68 | -0.01 |
| Oct | 1.29 | 1.37 | -0.08 |
| Nov | 0.95 | 1.03 | -0.08 |
| Dec | 0.67 | 0.90 | -0.23 |
19.84 | 21.39 | -1.55 |