| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.39 | 4.63 | -0.24 |
| Feb | 2.86 | 3.05 | -0.19 |
| Mar | 3.22 | 3.28 | -0.06 |
| Apr | 3.67 | 4.28 | -0.61 |
| May | 4.66 | 4.97 | -0.31 |
| Jun | 5.50 | 5.83 | -0.33 |
| Jul | 4.34 | 4.39 | -0.05 |
| Aug | 5.32 | 6.03 | -0.71 |
| Sep | 5.96 | 6.93 | -0.97 |
| Oct | 5.18 | 5.44 | -0.26 |
| Nov | 4.22 | 4.85 | -0.63 |
| Dec | 4.33 | 4.49 | -0.16 |
53.65 | 58.17 | -4.52 |