| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.14 | -0.18 |
| Feb | 0.91 | 1.04 | -0.13 |
| Mar | 1.42 | 1.47 | -0.05 |
| Apr | 2.47 | 2.57 | -0.10 |
| May | 3.21 | 3.33 | -0.12 |
| Jun | 4.34 | 4.33 | 0.01 |
| Jul | 4.01 | 3.86 | 0.15 |
| Aug | 3.61 | 3.72 | -0.11 |
| Sep | 3.26 | 3.44 | -0.18 |
| Oct | 2.96 | 3.05 | -0.09 |
| Nov | 1.77 | 1.97 | -0.20 |
| Dec | 1.32 | 1.44 | -0.12 |
30.24 | 31.36 | -1.12 |