| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.91 | 5.81 | 0.10 |
| Feb | 4.55 | 4.49 | 0.06 |
| Mar | 4.45 | 4.29 | 0.16 |
| Apr | 4.94 | 5.17 | -0.23 |
| May | 4.82 | 4.81 | 0.01 |
| Jun | 5.47 | 5.34 | 0.13 |
| Jul | 4.98 | 5.29 | -0.31 |
| Aug | 4.57 | 4.89 | -0.32 |
| Sep | 4.37 | 4.95 | -0.58 |
| Oct | 4.81 | 5.05 | -0.24 |
| Nov | 5.06 | 5.14 | -0.08 |
| Dec | 5.64 | 5.61 | 0.03 |
59.57 | 60.84 | -1.27 |