| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 2.10 | 0.10 |
| Feb | 1.80 | 1.83 | -0.03 |
| Mar | 2.51 | 2.52 | -0.01 |
| Apr | 2.47 | 2.49 | -0.02 |
| May | 4.02 | 3.86 | 0.16 |
| Jun | 3.36 | 3.39 | -0.03 |
| Jul | 2.31 | 2.71 | -0.40 |
| Aug | 2.35 | 2.35 | 0.00 |
| Sep | 3.72 | 3.79 | -0.07 |
| Oct | 3.66 | 3.87 | -0.21 |
| Nov | 2.59 | 2.67 | -0.08 |
| Dec | 2.08 | 2.29 | -0.21 |
33.07 | 33.87 | -0.80 |