| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.87 | 3.84 | 0.03 |
| Feb | 3.45 | 3.54 | -0.09 |
| Mar | 3.89 | 3.96 | -0.07 |
| Apr | 3.35 | 3.43 | -0.08 |
| May | 4.18 | 4.35 | -0.17 |
| Jun | 5.26 | 5.28 | -0.02 |
| Jul | 6.28 | 6.95 | -0.67 |
| Aug | 7.08 | 7.65 | -0.57 |
| Sep | 8.10 | 9.16 | -1.06 |
| Oct | 4.66 | 4.85 | -0.19 |
| Nov | 3.63 | 3.66 | -0.03 |
| Dec | 3.65 | 3.86 | -0.21 |
57.40 | 60.53 | -3.13 |