| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.64 | 4.75 | -0.11 |
| Feb | 4.52 | 4.55 | -0.03 |
| Mar | 4.85 | 4.89 | -0.04 |
| Apr | 3.81 | 4.01 | -0.20 |
| May | 3.67 | 3.70 | -0.03 |
| Jun | 4.39 | 4.64 | -0.25 |
| Jul | 3.78 | 4.04 | -0.26 |
| Aug | 4.52 | 4.81 | -0.29 |
| Sep | 3.85 | 3.79 | 0.06 |
| Oct | 3.63 | 3.89 | -0.26 |
| Nov | 3.74 | 3.93 | -0.19 |
| Dec | 4.74 | 4.91 | -0.17 |
50.14 | 51.91 | -1.77 |