| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.47 | 0.16 |
| Feb | 2.22 | 2.30 | -0.08 |
| Mar | 2.96 | 3.14 | -0.18 |
| Apr | 3.36 | 3.46 | -0.10 |
| May | 3.51 | 3.65 | -0.14 |
| Jun | 4.48 | 4.91 | -0.43 |
| Jul | 4.02 | 4.35 | -0.33 |
| Aug | 3.89 | 4.06 | -0.17 |
| Sep | 4.10 | 4.39 | -0.29 |
| Oct | 3.94 | 4.13 | -0.19 |
| Nov | 3.10 | 3.42 | -0.32 |
| Dec | 3.06 | 2.94 | 0.12 |
41.27 | 43.22 | -1.95 |