| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.63 | -0.10 |
| Feb | 0.61 | 0.64 | -0.03 |
| Mar | 0.91 | 1.04 | -0.13 |
| Apr | 1.44 | 1.71 | -0.27 |
| May | 2.03 | 1.94 | 0.09 |
| Jun | 1.61 | 1.54 | 0.07 |
| Jul | 1.63 | 1.66 | -0.03 |
| Aug | 1.27 | 1.32 | -0.05 |
| Sep | 1.27 | 1.36 | -0.09 |
| Oct | 1.13 | 1.14 | -0.01 |
| Nov | 0.70 | 0.83 | -0.13 |
| Dec | 0.63 | 0.65 | -0.02 |
13.76 | 14.46 | -0.70 |