| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 3.93 | -0.05 |
| Feb | 2.91 | 2.93 | -0.02 |
| Mar | 3.36 | 3.46 | -0.10 |
| Apr | 4.06 | 4.01 | 0.05 |
| May | 4.94 | 4.99 | -0.05 |
| Jun | 5.19 | 5.17 | 0.02 |
| Jul | 3.76 | 3.99 | -0.23 |
| Aug | 4.30 | 4.91 | -0.61 |
| Sep | 5.09 | 4.82 | 0.27 |
| Oct | 4.62 | 4.60 | 0.02 |
| Nov | 4.21 | 4.51 | -0.30 |
| Dec | 3.69 | 4.08 | -0.39 |
50.01 | 51.40 | -1.39 |