| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.54 | -0.06 |
| Feb | 3.03 | 3.06 | -0.03 |
| Mar | 4.18 | 4.26 | -0.08 |
| Apr | 3.36 | 3.55 | -0.19 |
| May | 3.53 | 3.75 | -0.22 |
| Jun | 3.66 | 3.67 | -0.01 |
| Jul | 4.48 | 4.40 | 0.08 |
| Aug | 4.63 | 4.82 | -0.19 |
| Sep | 4.17 | 4.39 | -0.22 |
| Oct | 4.14 | 4.46 | -0.32 |
| Nov | 3.22 | 3.43 | -0.21 |
| Dec | 3.81 | 4.19 | -0.38 |
45.69 | 47.52 | -1.83 |