| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.63 | -0.25 |
| Feb | 2.84 | 3.05 | -0.21 |
| Mar | 3.20 | 3.28 | -0.08 |
| Apr | 3.61 | 4.26 | -0.65 |
| May | 4.57 | 4.93 | -0.36 |
| Jun | 5.39 | 5.82 | -0.43 |
| Jul | 4.32 | 4.38 | -0.06 |
| Aug | 5.32 | 6.00 | -0.68 |
| Sep | 6.02 | 6.92 | -0.90 |
| Oct | 5.16 | 5.39 | -0.23 |
| Nov | 4.16 | 4.85 | -0.69 |
| Dec | 4.32 | 4.49 | -0.17 |
53.29 | 58.00 | -4.71 |