| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.56 | -0.18 |
| Feb | 2.94 | 3.17 | -0.23 |
| Mar | 3.34 | 3.43 | -0.09 |
| Apr | 3.78 | 4.22 | -0.44 |
| May | 4.90 | 5.17 | -0.27 |
| Jun | 5.61 | 5.84 | -0.23 |
| Jul | 4.50 | 4.54 | -0.04 |
| Aug | 5.37 | 5.98 | -0.61 |
| Sep | 5.88 | 6.34 | -0.46 |
| Oct | 5.22 | 5.48 | -0.26 |
| Nov | 4.21 | 4.72 | -0.51 |
| Dec | 4.38 | 4.50 | -0.12 |
54.51 | 57.95 | -3.44 |