| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.57 | 5.89 | -0.32 |
| Feb | 4.86 | 5.18 | -0.32 |
| Mar | 4.41 | 4.77 | -0.36 |
| Apr | 2.20 | 2.27 | -0.07 |
| May | 1.10 | 1.29 | -0.19 |
| Jun | 0.28 | 0.33 | -0.05 |
| Jul | 0.04 | 0.10 | -0.06 |
| Aug | 0.02 | 0.03 | -0.01 |
| Sep | 0.15 | 0.13 | 0.02 |
| Oct | 1.32 | 1.32 | 0.00 |
| Nov | 2.41 | 2.51 | -0.10 |
| Dec | 4.82 | 4.91 | -0.09 |
27.18 | 28.73 | -1.55 |