| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 1.15 | -0.16 |
| Feb | 0.94 | 1.19 | -0.25 |
| Mar | 1.27 | 1.47 | -0.20 |
| Apr | 1.34 | 1.58 | -0.24 |
| May | 1.37 | 1.50 | -0.13 |
| Jun | 0.73 | 0.81 | -0.08 |
| Jul | 1.81 | 1.83 | -0.02 |
| Aug | 1.90 | 2.10 | -0.20 |
| Sep | 1.61 | 1.85 | -0.24 |
| Oct | 1.33 | 1.48 | -0.15 |
| Nov | 1.15 | 1.26 | -0.11 |
| Dec | 1.13 | 1.19 | -0.06 |
15.57 | 17.41 | -1.84 |