| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.75 | -0.26 |
| Feb | 0.52 | 0.80 | -0.28 |
| Mar | 0.88 | 1.15 | -0.27 |
| Apr | 1.72 | 1.85 | -0.13 |
| May | 2.88 | 3.01 | -0.13 |
| Jun | 2.00 | 1.82 | 0.18 |
| Jul | 1.21 | 1.22 | -0.01 |
| Aug | 0.69 | 0.81 | -0.12 |
| Sep | 1.44 | 1.46 | -0.02 |
| Oct | 1.46 | 1.65 | -0.19 |
| Nov | 0.62 | 0.81 | -0.19 |
| Dec | 0.46 | 0.59 | -0.13 |
14.37 | 15.92 | -1.55 |