| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.54 | -0.02 |
| Feb | 3.33 | 3.56 | -0.23 |
| Mar | 3.51 | 3.63 | -0.12 |
| Apr | 3.44 | 3.54 | -0.10 |
| May | 3.76 | 3.95 | -0.19 |
| Jun | 5.28 | 5.43 | -0.15 |
| Jul | 5.33 | 5.82 | -0.49 |
| Aug | 5.80 | 6.17 | -0.37 |
| Sep | 5.15 | 5.32 | -0.17 |
| Oct | 3.75 | 3.97 | -0.22 |
| Nov | 2.98 | 3.09 | -0.11 |
| Dec | 3.69 | 3.78 | -0.09 |
49.54 | 51.80 | -2.26 |