| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.54 | 1.51 | 0.03 |
| Feb | 1.08 | 1.05 | 0.03 |
| Mar | 1.38 | 1.42 | -0.04 |
| Apr | 1.30 | 1.22 | 0.08 |
| May | 1.45 | 1.49 | -0.04 |
| Jun | 0.79 | 0.81 | -0.02 |
| Jul | 0.22 | 0.25 | -0.03 |
| Aug | 0.17 | 0.20 | -0.03 |
| Sep | 0.44 | 0.43 | 0.01 |
| Oct | 0.86 | 0.83 | 0.03 |
| Nov | 1.29 | 1.21 | 0.08 |
| Dec | 1.68 | 1.66 | 0.02 |
12.20 | 12.08 | 0.12 |