| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.40 | -0.02 |
| Feb | 0.62 | 0.64 | -0.02 |
| Mar | 1.10 | 1.16 | -0.06 |
| Apr | 2.27 | 2.32 | -0.05 |
| May | 3.42 | 3.51 | -0.09 |
| Jun | 3.55 | 3.60 | -0.05 |
| Jul | 3.40 | 3.46 | -0.06 |
| Aug | 2.87 | 2.89 | -0.02 |
| Sep | 1.64 | 1.66 | -0.02 |
| Oct | 1.71 | 1.75 | -0.04 |
| Nov | 0.80 | 0.83 | -0.03 |
| Dec | 0.54 | 0.60 | -0.06 |
22.30 | 22.82 | -0.52 |