| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.01 | 4.08 | -0.07 |
| Feb | 3.14 | 3.17 | -0.03 |
| Mar | 3.60 | 3.62 | -0.02 |
| Apr | 3.83 | 3.72 | 0.11 |
| May | 5.06 | 5.03 | 0.03 |
| Jun | 5.13 | 4.97 | 0.16 |
| Jul | 3.85 | 3.67 | 0.18 |
| Aug | 4.49 | 4.54 | -0.05 |
| Sep | 4.33 | 4.57 | -0.24 |
| Oct | 5.20 | 5.10 | 0.10 |
| Nov | 4.26 | 4.51 | -0.25 |
| Dec | 4.09 | 4.11 | -0.02 |
50.99 | 51.09 | -0.10 |