| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.27 | 4.41 | -0.14 |
| Feb | 3.64 | 3.75 | -0.11 |
| Mar | 3.64 | 3.65 | -0.01 |
| Apr | 3.53 | 3.55 | -0.02 |
| May | 4.21 | 4.29 | -0.08 |
| Jun | 5.07 | 4.54 | 0.53 |
| Jul | 6.10 | 5.67 | 0.43 |
| Aug | 7.49 | 7.32 | 0.17 |
| Sep | 7.93 | 8.44 | -0.51 |
| Oct | 4.51 | 4.89 | -0.38 |
| Nov | 4.02 | 4.29 | -0.27 |
| Dec | 4.11 | 4.34 | -0.23 |
58.52 | 59.14 | -0.62 |