| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.25 | 0.07 |
| Feb | 1.97 | 1.94 | 0.03 |
| Mar | 2.40 | 2.41 | -0.01 |
| Apr | 3.11 | 3.09 | 0.02 |
| May | 3.45 | 3.39 | 0.06 |
| Jun | 4.21 | 4.49 | -0.28 |
| Jul | 3.75 | 3.83 | -0.08 |
| Aug | 3.54 | 3.65 | -0.11 |
| Sep | 3.24 | 3.36 | -0.12 |
| Oct | 3.91 | 3.99 | -0.08 |
| Nov | 2.60 | 2.79 | -0.19 |
| Dec | 2.59 | 2.61 | -0.02 |
37.09 | 37.80 | -0.71 |