| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.48 | 1.72 | -0.24 |
| Feb | 1.29 | 1.46 | -0.17 |
| Mar | 1.43 | 1.57 | -0.14 |
| Apr | 1.78 | 2.07 | -0.29 |
| May | 2.28 | 2.45 | -0.17 |
| Jun | 2.82 | 3.36 | -0.54 |
| Jul | 1.04 | 1.14 | -0.10 |
| Aug | 0.93 | 1.01 | -0.08 |
| Sep | 1.39 | 1.54 | -0.15 |
| Oct | 1.84 | 1.91 | -0.07 |
| Nov | 1.68 | 1.76 | -0.08 |
| Dec | 1.67 | 1.65 | 0.02 |
19.63 | 21.64 | -2.01 |