| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.35 | 4.20 | 0.15 |
| Feb | 4.79 | 4.82 | -0.03 |
| Mar | 4.83 | 5.10 | -0.27 |
| Apr | 4.89 | 5.16 | -0.27 |
| May | 5.22 | 5.76 | -0.54 |
| Jun | 4.65 | 4.15 | 0.50 |
| Jul | 4.39 | 4.77 | -0.38 |
| Aug | 3.96 | 3.62 | 0.34 |
| Sep | 3.47 | 3.79 | -0.32 |
| Oct | 3.91 | 3.99 | -0.08 |
| Nov | 3.93 | 3.82 | 0.11 |
| Dec | 5.04 | 5.06 | -0.02 |
53.43 | 54.24 | -0.81 |