| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.15 | 5.80 | -0.65 |
| Feb | 4.94 | 5.41 | -0.47 |
| Mar | 3.81 | 4.19 | -0.38 |
| Apr | 1.66 | 2.03 | -0.37 |
| May | 0.67 | 0.77 | -0.10 |
| Jun | 0.13 | 0.21 | -0.08 |
| Jul | 0.02 | 0.02 | 0.00 |
| Aug | 0.03 | 0.05 | -0.02 |
| Sep | 0.08 | 0.11 | -0.03 |
| Oct | 1.02 | 1.36 | -0.34 |
| Nov | 2.54 | 2.72 | -0.18 |
| Dec | 5.04 | 5.66 | -0.62 |
25.09 | 28.33 | -3.24 |