| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.55 | -0.10 |
| Feb | 0.54 | 0.62 | -0.08 |
| Mar | 1.13 | 1.41 | -0.28 |
| Apr | 1.86 | 2.13 | -0.27 |
| May | 2.40 | 2.42 | -0.02 |
| Jun | 1.75 | 1.78 | -0.03 |
| Jul | 2.21 | 2.02 | 0.19 |
| Aug | 1.74 | 2.06 | -0.32 |
| Sep | 1.28 | 1.41 | -0.13 |
| Oct | 0.96 | 1.20 | -0.24 |
| Nov | 0.69 | 0.82 | -0.13 |
| Dec | 0.52 | 0.61 | -0.09 |
15.53 | 17.03 | -1.50 |