| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.54 | 1.37 | 0.17 |
| Feb | 1.42 | 1.46 | -0.04 |
| Mar | 1.52 | 1.65 | -0.13 |
| Apr | 2.15 | 2.33 | -0.18 |
| May | 1.94 | 1.85 | 0.09 |
| Jun | 1.28 | 1.15 | 0.13 |
| Jul | 1.60 | 1.41 | 0.19 |
| Aug | 1.79 | 1.72 | 0.07 |
| Sep | 1.67 | 1.50 | 0.17 |
| Oct | 1.49 | 1.46 | 0.03 |
| Nov | 1.34 | 1.42 | -0.08 |
| Dec | 1.38 | 1.42 | -0.04 |
19.12 | 18.74 | 0.38 |