| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 2.02 | -0.38 |
| Feb | 1.50 | 1.66 | -0.16 |
| Mar | 1.08 | 1.31 | -0.23 |
| Apr | 1.07 | 1.23 | -0.16 |
| May | 1.10 | 1.20 | -0.10 |
| Jun | 0.54 | 0.56 | -0.02 |
| Jul | 2.02 | 1.85 | 0.17 |
| Aug | 2.14 | 2.34 | -0.20 |
| Sep | 2.08 | 2.12 | -0.04 |
| Oct | 1.69 | 1.84 | -0.15 |
| Nov | 1.37 | 1.50 | -0.13 |
| Dec | 1.45 | 1.67 | -0.22 |
17.68 | 19.30 | -1.62 |