| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.73 | -0.02 |
| Feb | 1.06 | 1.01 | 0.05 |
| Mar | 1.92 | 1.89 | 0.03 |
| Apr | 3.08 | 3.10 | -0.02 |
| May | 4.79 | 4.73 | 0.06 |
| Jun | 4.54 | 4.55 | -0.01 |
| Jul | 4.33 | 4.45 | -0.12 |
| Aug | 3.64 | 3.63 | 0.01 |
| Sep | 3.14 | 3.22 | -0.08 |
| Oct | 2.37 | 2.43 | -0.06 |
| Nov | 1.53 | 1.52 | 0.01 |
| Dec | 1.13 | 1.15 | -0.02 |
32.24 | 32.41 | -0.17 |