| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.66 | -0.05 |
| Feb | 0.67 | 0.71 | -0.04 |
| Mar | 1.41 | 1.52 | -0.11 |
| Apr | 2.17 | 2.32 | -0.15 |
| May | 2.23 | 2.36 | -0.13 |
| Jun | 1.89 | 2.32 | -0.43 |
| Jul | 2.42 | 2.43 | -0.01 |
| Aug | 2.16 | 2.34 | -0.18 |
| Sep | 1.35 | 1.49 | -0.14 |
| Oct | 1.04 | 1.16 | -0.12 |
| Nov | 0.76 | 0.89 | -0.13 |
| Dec | 0.63 | 0.70 | -0.07 |
17.34 | 18.90 | -1.56 |