| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.52 | -0.08 |
| Feb | 1.30 | 1.37 | -0.07 |
| Mar | 1.86 | 1.90 | -0.04 |
| Apr | 3.43 | 3.47 | -0.04 |
| May | 3.73 | 3.71 | 0.02 |
| Jun | 4.60 | 4.39 | 0.21 |
| Jul | 3.76 | 3.91 | -0.15 |
| Aug | 3.77 | 3.79 | -0.02 |
| Sep | 3.13 | 3.19 | -0.06 |
| Oct | 2.78 | 2.83 | -0.05 |
| Nov | 2.05 | 2.06 | -0.01 |
| Dec | 1.66 | 1.73 | -0.07 |
33.51 | 33.87 | -0.36 |