| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.30 | 5.49 | -0.19 |
| Feb | 5.19 | 5.22 | -0.03 |
| Mar | 5.33 | 5.22 | 0.11 |
| Apr | 5.13 | 5.24 | -0.11 |
| May | 4.44 | 4.54 | -0.10 |
| Jun | 4.34 | 4.58 | -0.24 |
| Jul | 5.02 | 4.65 | 0.37 |
| Aug | 3.74 | 3.77 | -0.03 |
| Sep | 3.64 | 3.96 | -0.32 |
| Oct | 3.56 | 3.53 | 0.03 |
| Nov | 4.40 | 4.51 | -0.11 |
| Dec | 5.73 | 5.74 | -0.01 |
55.82 | 56.45 | -0.63 |