| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 4.10 | -0.49 |
| Feb | 2.36 | 2.65 | -0.29 |
| Mar | 2.93 | 3.22 | -0.29 |
| Apr | 2.32 | 2.27 | 0.05 |
| May | 2.39 | 2.47 | -0.08 |
| Jun | 2.46 | 2.70 | -0.24 |
| Jul | 0.92 | 0.99 | -0.07 |
| Aug | 0.86 | 0.83 | 0.03 |
| Sep | 1.45 | 1.32 | 0.13 |
| Oct | 2.75 | 2.93 | -0.18 |
| Nov | 3.82 | 3.92 | -0.10 |
| Dec | 3.79 | 4.12 | -0.33 |
29.66 | 31.52 | -1.86 |