| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.64 | -0.03 |
| Feb | 0.49 | 0.42 | 0.07 |
| Mar | 1.17 | 1.09 | 0.08 |
| Apr | 1.24 | 1.09 | 0.15 |
| May | 2.32 | 2.29 | 0.03 |
| Jun | 2.86 | 2.92 | -0.06 |
| Jul | 2.52 | 2.31 | 0.21 |
| Aug | 2.78 | 2.84 | -0.06 |
| Sep | 1.75 | 1.81 | -0.06 |
| Oct | 1.89 | 2.03 | -0.14 |
| Nov | 0.70 | 0.71 | -0.01 |
| Dec | 0.71 | 0.64 | 0.07 |
19.04 | 18.79 | 0.25 |