| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.58 | -0.05 |
| Feb | 0.63 | 0.68 | -0.05 |
| Mar | 1.19 | 1.24 | -0.05 |
| Apr | 2.15 | 2.11 | 0.04 |
| May | 2.90 | 2.80 | 0.10 |
| Jun | 1.88 | 2.07 | -0.19 |
| Jul | 2.10 | 1.97 | 0.13 |
| Aug | 1.72 | 1.66 | 0.06 |
| Sep | 1.51 | 1.59 | -0.08 |
| Oct | 1.17 | 1.15 | 0.02 |
| Nov | 0.78 | 0.87 | -0.09 |
| Dec | 0.42 | 0.54 | -0.12 |
16.98 | 17.26 | -0.28 |