| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.94 | 5.01 | -0.07 |
| Feb | 5.03 | 5.14 | -0.11 |
| Mar | 5.07 | 5.26 | -0.19 |
| Apr | 4.62 | 4.68 | -0.06 |
| May | 3.39 | 3.51 | -0.12 |
| Jun | 5.23 | 5.41 | -0.18 |
| Jul | 6.09 | 6.26 | -0.17 |
| Aug | 5.54 | 5.51 | 0.03 |
| Sep | 5.05 | 4.63 | 0.42 |
| Oct | 3.19 | 3.17 | 0.02 |
| Nov | 3.86 | 4.00 | -0.14 |
| Dec | 5.23 | 5.08 | 0.15 |
57.24 | 57.66 | -0.42 |