| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.97 | -0.24 |
| Feb | 2.24 | 2.51 | -0.27 |
| Mar | 2.76 | 3.26 | -0.50 |
| Apr | 3.22 | 3.49 | -0.27 |
| May | 3.62 | 3.78 | -0.16 |
| Jun | 4.35 | 4.61 | -0.26 |
| Jul | 4.34 | 4.63 | -0.29 |
| Aug | 4.22 | 4.42 | -0.20 |
| Sep | 4.18 | 4.12 | 0.06 |
| Oct | 4.02 | 4.41 | -0.39 |
| Nov | 3.05 | 3.28 | -0.23 |
| Dec | 3.33 | 3.72 | -0.39 |
42.06 | 45.20 | -3.14 |