| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.28 | 0.25 |
| Feb | 3.20 | 3.39 | -0.19 |
| Mar | 2.69 | 2.94 | -0.25 |
| Apr | 1.14 | 1.10 | 0.04 |
| May | 0.35 | 0.45 | -0.10 |
| Jun | 0.05 | 0.08 | -0.03 |
| Jul | 0.02 | 0.06 | -0.04 |
| Aug | 0.01 | 0.02 | -0.01 |
| Sep | 0.08 | 0.09 | -0.01 |
| Oct | 0.67 | 0.82 | -0.15 |
| Nov | 1.40 | 1.37 | 0.03 |
| Dec | 2.47 | 2.56 | -0.09 |
15.61 | 16.16 | -0.55 |