| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.92 | 4.98 | -0.06 |
| Feb | 4.06 | 4.25 | -0.19 |
| Mar | 4.23 | 4.28 | -0.05 |
| Apr | 4.23 | 4.32 | -0.09 |
| May | 5.07 | 4.78 | 0.29 |
| Jun | 5.32 | 5.47 | -0.15 |
| Jul | 4.47 | 4.28 | 0.19 |
| Aug | 4.90 | 5.02 | -0.12 |
| Sep | 4.72 | 4.69 | 0.03 |
| Oct | 5.53 | 5.33 | 0.20 |
| Nov | 4.94 | 5.11 | -0.17 |
| Dec | 5.24 | 5.34 | -0.10 |
57.63 | 57.85 | -0.22 |