| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.54 | -0.12 |
| Feb | 2.66 | 2.79 | -0.13 |
| Mar | 4.08 | 4.27 | -0.19 |
| Apr | 3.66 | 3.63 | 0.03 |
| May | 3.84 | 3.98 | -0.14 |
| Jun | 4.25 | 4.32 | -0.07 |
| Jul | 4.96 | 4.77 | 0.19 |
| Aug | 4.33 | 4.42 | -0.09 |
| Sep | 4.16 | 4.12 | 0.04 |
| Oct | 4.06 | 4.07 | -0.01 |
| Nov | 3.23 | 3.28 | -0.05 |
| Dec | 4.13 | 4.37 | -0.24 |
46.78 | 47.56 | -0.78 |