| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.98 | -0.26 |
| Feb | 1.51 | 1.64 | -0.13 |
| Mar | 1.11 | 1.35 | -0.24 |
| Apr | 1.07 | 1.08 | -0.01 |
| May | 1.04 | 1.16 | -0.12 |
| Jun | 0.50 | 0.58 | -0.08 |
| Jul | 1.84 | 1.77 | 0.07 |
| Aug | 2.09 | 2.27 | -0.18 |
| Sep | 2.06 | 2.18 | -0.12 |
| Oct | 1.71 | 1.88 | -0.17 |
| Nov | 1.35 | 1.46 | -0.11 |
| Dec | 1.45 | 1.64 | -0.19 |
17.45 | 18.99 | -1.54 |