| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.59 | -0.02 |
| Feb | 0.64 | 0.70 | -0.06 |
| Mar | 1.45 | 1.58 | -0.13 |
| Apr | 2.19 | 2.25 | -0.06 |
| May | 2.40 | 2.42 | -0.02 |
| Jun | 1.83 | 1.75 | 0.08 |
| Jul | 1.87 | 1.97 | -0.10 |
| Aug | 1.89 | 1.93 | -0.04 |
| Sep | 1.43 | 1.30 | 0.13 |
| Oct | 1.22 | 1.25 | -0.03 |
| Nov | 0.86 | 0.89 | -0.03 |
| Dec | 0.64 | 0.66 | -0.02 |
16.99 | 17.29 | -0.30 |