| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.81 | -0.22 |
| Feb | 1.66 | 1.83 | -0.17 |
| Mar | 2.11 | 2.43 | -0.32 |
| Apr | 1.74 | 1.87 | -0.13 |
| May | 1.93 | 1.74 | 0.19 |
| Jun | 1.83 | 2.01 | -0.18 |
| Jul | 0.71 | 0.77 | -0.06 |
| Aug | 0.56 | 0.59 | -0.03 |
| Sep | 0.85 | 0.82 | 0.03 |
| Oct | 1.78 | 1.98 | -0.20 |
| Nov | 2.56 | 2.83 | -0.27 |
| Dec | 3.06 | 3.34 | -0.28 |
21.38 | 23.02 | -1.64 |