| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.93 | -0.29 |
| Feb | 1.59 | 1.69 | -0.10 |
| Mar | 1.35 | 1.49 | -0.14 |
| Apr | 1.15 | 1.17 | -0.02 |
| May | 1.05 | 1.27 | -0.22 |
| Jun | 0.62 | 0.71 | -0.09 |
| Jul | 1.65 | 1.93 | -0.28 |
| Aug | 2.16 | 2.44 | -0.28 |
| Sep | 2.00 | 2.16 | -0.16 |
| Oct | 1.62 | 1.72 | -0.10 |
| Nov | 1.37 | 1.55 | -0.18 |
| Dec | 1.59 | 1.70 | -0.11 |
17.79 | 19.76 | -1.97 |