| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.86 | -0.22 |
| Feb | 3.54 | 3.63 | -0.09 |
| Mar | 3.77 | 3.82 | -0.05 |
| Apr | 3.14 | 3.21 | -0.07 |
| May | 3.51 | 3.56 | -0.05 |
| Jun | 5.19 | 5.02 | 0.17 |
| Jul | 5.16 | 5.21 | -0.05 |
| Aug | 5.03 | 5.08 | -0.05 |
| Sep | 4.26 | 4.38 | -0.12 |
| Oct | 3.22 | 3.40 | -0.18 |
| Nov | 2.90 | 2.92 | -0.02 |
| Dec | 3.68 | 3.77 | -0.09 |
47.04 | 47.86 | -0.82 |