| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.96 | 5.03 | -0.07 |
| Feb | 5.03 | 4.77 | 0.26 |
| Mar | 5.34 | 5.41 | -0.07 |
| Apr | 4.36 | 4.47 | -0.11 |
| May | 3.71 | 3.82 | -0.11 |
| Jun | 4.49 | 4.68 | -0.19 |
| Jul | 5.02 | 4.93 | 0.09 |
| Aug | 4.25 | 4.42 | -0.17 |
| Sep | 3.71 | 3.46 | 0.25 |
| Oct | 3.12 | 3.13 | -0.01 |
| Nov | 4.25 | 4.11 | 0.14 |
| Dec | 5.50 | 5.37 | 0.13 |
53.74 | 53.60 | 0.14 |