| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.54 | 1.94 | -0.40 |
| Feb | 1.55 | 1.61 | -0.06 |
| Mar | 1.82 | 1.82 | 0.00 |
| Apr | 2.08 | 2.01 | 0.07 |
| May | 2.12 | 2.22 | -0.10 |
| Jun | 1.14 | 1.20 | -0.06 |
| Jul | 0.54 | 0.41 | 0.13 |
| Aug | 0.73 | 0.69 | 0.04 |
| Sep | 1.22 | 1.20 | 0.02 |
| Oct | 1.65 | 1.71 | -0.06 |
| Nov | 1.24 | 1.36 | -0.12 |
| Dec | 1.53 | 1.64 | -0.11 |
17.16 | 17.81 | -0.65 |