| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.83 | -0.20 |
| Feb | 2.20 | 2.52 | -0.32 |
| Mar | 2.81 | 3.28 | -0.47 |
| Apr | 3.26 | 3.40 | -0.14 |
| May | 3.47 | 3.51 | -0.04 |
| Jun | 4.26 | 4.35 | -0.09 |
| Jul | 3.96 | 4.12 | -0.16 |
| Aug | 4.22 | 4.37 | -0.15 |
| Sep | 4.16 | 4.35 | -0.19 |
| Oct | 4.09 | 4.33 | -0.24 |
| Nov | 2.91 | 3.07 | -0.16 |
| Dec | 3.26 | 3.67 | -0.41 |
41.23 | 43.80 | -2.57 |