| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.19 | 2.38 | -0.19 |
| Feb | 1.94 | 2.09 | -0.15 |
| Mar | 2.31 | 2.37 | -0.06 |
| Apr | 3.54 | 3.62 | -0.08 |
| May | 4.41 | 4.12 | 0.29 |
| Jun | 4.35 | 4.38 | -0.03 |
| Jul | 4.01 | 4.18 | -0.17 |
| Aug | 4.32 | 4.23 | 0.09 |
| Sep | 3.33 | 3.35 | -0.02 |
| Oct | 3.54 | 3.70 | -0.16 |
| Nov | 2.64 | 2.79 | -0.15 |
| Dec | 2.17 | 2.27 | -0.10 |
38.75 | 39.48 | -0.73 |