| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.34 | -0.05 |
| Feb | 2.83 | 2.82 | 0.01 |
| Mar | 4.26 | 4.35 | -0.09 |
| Apr | 3.65 | 3.59 | 0.06 |
| May | 3.63 | 3.73 | -0.10 |
| Jun | 4.49 | 4.63 | -0.14 |
| Jul | 4.51 | 4.59 | -0.08 |
| Aug | 4.26 | 4.35 | -0.09 |
| Sep | 4.42 | 4.59 | -0.17 |
| Oct | 3.83 | 4.07 | -0.24 |
| Nov | 3.27 | 3.21 | 0.06 |
| Dec | 3.99 | 4.20 | -0.21 |
46.43 | 47.47 | -1.04 |