| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.80 | 3.77 | 0.03 |
| Feb | 3.18 | 3.18 | 0.00 |
| Mar | 3.96 | 4.01 | -0.05 |
| Apr | 3.42 | 3.51 | -0.09 |
| May | 3.80 | 3.99 | -0.19 |
| Jun | 4.74 | 4.76 | -0.02 |
| Jul | 5.83 | 5.65 | 0.18 |
| Aug | 5.71 | 5.89 | -0.18 |
| Sep | 5.46 | 5.65 | -0.19 |
| Oct | 3.82 | 3.93 | -0.11 |
| Nov | 3.27 | 3.39 | -0.12 |
| Dec | 3.47 | 3.51 | -0.04 |
50.46 | 51.24 | -0.78 |