| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.20 | -0.03 |
| Feb | 1.02 | 1.16 | -0.14 |
| Mar | 0.62 | 0.68 | -0.06 |
| Apr | 0.32 | 0.33 | -0.01 |
| May | 0.33 | 0.44 | -0.11 |
| Jun | 0.64 | 0.56 | 0.08 |
| Jul | 3.04 | 2.87 | 0.17 |
| Aug | 2.92 | 2.99 | -0.07 |
| Sep | 1.72 | 1.82 | -0.10 |
| Oct | 0.99 | 1.14 | -0.15 |
| Nov | 0.90 | 0.98 | -0.08 |
| Dec | 1.42 | 1.47 | -0.05 |
15.09 | 15.64 | -0.55 |