| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.17 | -0.17 |
| Feb | 2.98 | 3.17 | -0.19 |
| Mar | 3.61 | 3.77 | -0.16 |
| Apr | 4.00 | 4.12 | -0.12 |
| May | 5.19 | 5.35 | -0.16 |
| Jun | 5.66 | 5.75 | -0.09 |
| Jul | 4.19 | 4.51 | -0.32 |
| Aug | 5.03 | 5.40 | -0.37 |
| Sep | 5.01 | 5.50 | -0.49 |
| Oct | 5.02 | 4.96 | 0.06 |
| Nov | 4.27 | 4.60 | -0.33 |
| Dec | 4.08 | 4.18 | -0.10 |
53.04 | 55.48 | -2.44 |