| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.53 | 0.32 |
| Feb | 3.18 | 3.11 | 0.07 |
| Mar | 3.91 | 3.96 | -0.05 |
| Apr | 4.10 | 4.21 | -0.11 |
| May | 3.57 | 3.63 | -0.06 |
| Jun | 4.28 | 4.22 | 0.06 |
| Jul | 3.37 | 3.26 | 0.11 |
| Aug | 3.41 | 3.39 | 0.02 |
| Sep | 3.99 | 3.86 | 0.13 |
| Oct | 5.17 | 5.25 | -0.08 |
| Nov | 4.54 | 4.47 | 0.07 |
| Dec | 4.62 | 4.46 | 0.16 |
47.99 | 47.35 | 0.64 |