| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.42 | 0.01 |
| Feb | 0.50 | 0.51 | -0.01 |
| Mar | 1.20 | 1.29 | -0.09 |
| Apr | 2.05 | 2.06 | -0.01 |
| May | 2.57 | 2.81 | -0.24 |
| Jun | 1.77 | 1.79 | -0.02 |
| Jul | 1.57 | 1.64 | -0.07 |
| Aug | 1.42 | 1.45 | -0.03 |
| Sep | 1.35 | 1.39 | -0.04 |
| Oct | 1.15 | 1.25 | -0.10 |
| Nov | 0.74 | 0.76 | -0.02 |
| Dec | 0.47 | 0.50 | -0.03 |
15.22 | 15.87 | -0.65 |