| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.66 | 0.06 |
| Feb | 0.69 | 0.61 | 0.08 |
| Mar | 1.13 | 1.09 | 0.04 |
| Apr | 1.90 | 2.06 | -0.16 |
| May | 3.25 | 3.44 | -0.19 |
| Jun | 4.32 | 4.39 | -0.07 |
| Jul | 3.94 | 3.97 | -0.03 |
| Aug | 3.12 | 3.27 | -0.15 |
| Sep | 2.87 | 3.07 | -0.20 |
| Oct | 2.49 | 2.47 | 0.02 |
| Nov | 0.93 | 0.94 | -0.01 |
| Dec | 0.80 | 0.82 | -0.02 |
26.16 | 26.79 | -0.63 |