| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.14 | 2.05 | 0.09 |
| Feb | 2.50 | 2.32 | 0.18 |
| Mar | 1.91 | 1.86 | 0.05 |
| Apr | 0.70 | 0.72 | -0.02 |
| May | 0.63 | 0.49 | 0.14 |
| Jun | 0.34 | 0.31 | 0.03 |
| Jul | 2.56 | 3.19 | -0.63 |
| Aug | 3.37 | 3.02 | 0.35 |
| Sep | 1.82 | 1.81 | 0.01 |
| Oct | 1.16 | 1.19 | -0.03 |
| Nov | 1.18 | 1.06 | 0.12 |
| Dec | 2.02 | 1.82 | 0.20 |
20.33 | 19.84 | 0.49 |