| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.62 | -0.01 |
| Feb | 0.69 | 0.66 | 0.03 |
| Mar | 1.54 | 1.49 | 0.05 |
| Apr | 2.23 | 2.31 | -0.08 |
| May | 2.21 | 2.22 | -0.01 |
| Jun | 1.89 | 2.03 | -0.14 |
| Jul | 2.24 | 2.32 | -0.08 |
| Aug | 2.15 | 2.19 | -0.04 |
| Sep | 1.36 | 1.44 | -0.08 |
| Oct | 1.06 | 1.12 | -0.06 |
| Nov | 0.81 | 0.80 | 0.01 |
| Dec | 0.64 | 0.62 | 0.02 |
17.43 | 17.82 | -0.39 |