| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.75 | -0.18 |
| Feb | 2.19 | 2.34 | -0.15 |
| Mar | 3.44 | 3.48 | -0.04 |
| Apr | 4.81 | 4.84 | -0.03 |
| May | 4.97 | 5.05 | -0.08 |
| Jun | 4.36 | 4.65 | -0.29 |
| Jul | 3.96 | 4.25 | -0.29 |
| Aug | 3.29 | 3.63 | -0.34 |
| Sep | 3.33 | 3.34 | -0.01 |
| Oct | 3.17 | 3.14 | 0.03 |
| Nov | 3.43 | 3.62 | -0.19 |
| Dec | 2.66 | 2.69 | -0.03 |
42.18 | 43.78 | -1.60 |