| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 1.27 | 0.50 |
| Feb | 1.22 | 0.89 | 0.33 |
| Mar | 1.57 | 1.28 | 0.29 |
| Apr | 1.71 | 1.51 | 0.20 |
| May | 2.08 | 2.03 | 0.05 |
| Jun | 1.30 | 1.38 | -0.08 |
| Jul | 0.48 | 0.58 | -0.10 |
| Aug | 0.44 | 0.45 | -0.01 |
| Sep | 0.59 | 0.58 | 0.01 |
| Oct | 1.30 | 1.14 | 0.16 |
| Nov | 1.71 | 1.35 | 0.36 |
| Dec | 1.89 | 1.37 | 0.52 |
16.06 | 13.83 | 2.23 |