| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.65 | 4.67 | -0.02 |
| Feb | 4.03 | 4.19 | -0.16 |
| Mar | 4.82 | 4.89 | -0.07 |
| Apr | 3.83 | 3.77 | 0.06 |
| May | 3.05 | 3.18 | -0.13 |
| Jun | 6.49 | 7.16 | -0.67 |
| Jul | 6.73 | 6.95 | -0.22 |
| Aug | 6.50 | 7.55 | -1.05 |
| Sep | 5.17 | 5.30 | -0.13 |
| Oct | 3.33 | 3.20 | 0.13 |
| Nov | 3.02 | 3.15 | -0.13 |
| Dec | 3.96 | 4.08 | -0.12 |
55.58 | 58.09 | -2.51 |