| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.82 | 0.03 |
| Feb | 0.92 | 0.85 | 0.07 |
| Mar | 1.75 | 1.65 | 0.10 |
| Apr | 3.10 | 2.87 | 0.23 |
| May | 4.35 | 4.24 | 0.11 |
| Jun | 4.84 | 5.00 | -0.16 |
| Jul | 4.26 | 4.02 | 0.24 |
| Aug | 4.38 | 4.37 | 0.01 |
| Sep | 3.32 | 3.33 | -0.01 |
| Oct | 2.51 | 2.51 | 0.00 |
| Nov | 1.61 | 1.52 | 0.09 |
| Dec | 1.21 | 1.17 | 0.04 |
33.10 | 32.35 | 0.75 |