| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.78 | -0.05 |
| Feb | 0.81 | 0.84 | -0.03 |
| Mar | 1.54 | 1.52 | 0.02 |
| Apr | 2.76 | 2.90 | -0.14 |
| May | 4.18 | 4.24 | -0.06 |
| Jun | 4.38 | 4.35 | 0.03 |
| Jul | 4.44 | 4.34 | 0.10 |
| Aug | 4.03 | 4.08 | -0.05 |
| Sep | 3.36 | 3.31 | 0.05 |
| Oct | 2.77 | 2.89 | -0.12 |
| Nov | 1.59 | 1.64 | -0.05 |
| Dec | 1.09 | 1.16 | -0.07 |
31.68 | 32.05 | -0.37 |