| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.88 | 1.90 | -0.02 |
| Feb | 1.74 | 1.79 | -0.05 |
| Mar | 2.34 | 2.40 | -0.06 |
| Apr | 2.31 | 2.47 | -0.16 |
| May | 3.77 | 3.65 | 0.12 |
| Jun | 3.19 | 3.16 | 0.03 |
| Jul | 2.13 | 2.30 | -0.17 |
| Aug | 2.31 | 2.37 | -0.06 |
| Sep | 3.53 | 3.45 | 0.08 |
| Oct | 3.16 | 3.43 | -0.27 |
| Nov | 2.15 | 2.45 | -0.30 |
| Dec | 1.89 | 2.17 | -0.28 |
30.40 | 31.54 | -1.14 |