| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.26 | -0.24 |
| Feb | 2.96 | 3.19 | -0.23 |
| Mar | 3.55 | 3.64 | -0.09 |
| Apr | 4.01 | 4.12 | -0.11 |
| May | 5.16 | 5.30 | -0.14 |
| Jun | 5.66 | 5.70 | -0.04 |
| Jul | 4.19 | 4.49 | -0.30 |
| Aug | 4.96 | 5.29 | -0.33 |
| Sep | 5.15 | 5.55 | -0.40 |
| Oct | 5.00 | 4.91 | 0.09 |
| Nov | 4.24 | 4.63 | -0.39 |
| Dec | 4.01 | 4.18 | -0.17 |
52.91 | 55.26 | -2.35 |