| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.84 | 5.06 | -0.22 |
| Feb | 5.09 | 5.14 | -0.05 |
| Mar | 5.16 | 5.35 | -0.19 |
| Apr | 4.77 | 4.71 | 0.06 |
| May | 3.49 | 3.72 | -0.23 |
| Jun | 5.39 | 5.88 | -0.49 |
| Jul | 6.53 | 6.63 | -0.10 |
| Aug | 5.96 | 5.86 | 0.10 |
| Sep | 5.23 | 5.06 | 0.17 |
| Oct | 3.26 | 3.30 | -0.04 |
| Nov | 4.01 | 4.11 | -0.10 |
| Dec | 5.16 | 5.10 | 0.06 |
58.89 | 59.92 | -1.03 |