| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.94 | -0.03 |
| Feb | 1.01 | 0.98 | 0.03 |
| Mar | 1.91 | 1.89 | 0.02 |
| Apr | 3.42 | 3.30 | 0.12 |
| May | 4.61 | 4.44 | 0.17 |
| Jun | 5.36 | 5.24 | 0.12 |
| Jul | 4.49 | 4.56 | -0.07 |
| Aug | 4.61 | 4.36 | 0.25 |
| Sep | 3.59 | 3.73 | -0.14 |
| Oct | 2.51 | 2.44 | 0.07 |
| Nov | 1.73 | 1.62 | 0.11 |
| Dec | 1.24 | 1.23 | 0.01 |
35.39 | 34.73 | 0.66 |