| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.86 | -0.07 |
| Feb | 0.70 | 0.76 | -0.06 |
| Mar | 1.07 | 1.19 | -0.12 |
| Apr | 1.32 | 1.40 | -0.08 |
| May | 2.56 | 2.61 | -0.05 |
| Jun | 1.79 | 2.11 | -0.32 |
| Jul | 1.72 | 2.09 | -0.37 |
| Aug | 1.72 | 1.64 | 0.08 |
| Sep | 4.16 | 4.05 | 0.11 |
| Oct | 1.43 | 1.63 | -0.20 |
| Nov | 1.03 | 1.10 | -0.07 |
| Dec | 0.89 | 0.97 | -0.08 |
19.18 | 20.41 | -1.23 |