| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.17 | 5.37 | -0.20 |
| Feb | 5.30 | 5.45 | -0.15 |
| Mar | 5.26 | 5.37 | -0.11 |
| Apr | 5.26 | 5.16 | 0.10 |
| May | 4.75 | 5.16 | -0.41 |
| Jun | 4.24 | 4.89 | -0.65 |
| Jul | 4.71 | 4.73 | -0.02 |
| Aug | 3.86 | 4.01 | -0.15 |
| Sep | 3.64 | 4.09 | -0.45 |
| Oct | 3.85 | 3.69 | 0.16 |
| Nov | 4.29 | 4.26 | 0.03 |
| Dec | 6.23 | 6.20 | 0.03 |
56.56 | 58.38 | -1.82 |