| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.99 | 5.17 | -0.18 |
| Feb | 4.23 | 4.60 | -0.37 |
| Mar | 4.44 | 4.41 | 0.03 |
| Apr | 4.19 | 4.43 | -0.24 |
| May | 4.77 | 4.79 | -0.02 |
| Jun | 4.95 | 5.37 | -0.42 |
| Jul | 4.22 | 4.19 | 0.03 |
| Aug | 4.40 | 4.81 | -0.41 |
| Sep | 4.41 | 4.81 | -0.40 |
| Oct | 5.54 | 5.13 | 0.41 |
| Nov | 4.80 | 4.85 | -0.05 |
| Dec | 5.32 | 5.56 | -0.24 |
56.26 | 58.12 | -1.86 |