| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.88 | -0.13 |
| Feb | 0.74 | 0.85 | -0.11 |
| Mar | 1.17 | 1.42 | -0.25 |
| Apr | 2.19 | 2.51 | -0.32 |
| May | 2.69 | 2.87 | -0.18 |
| Jun | 2.93 | 3.16 | -0.23 |
| Jul | 1.27 | 1.32 | -0.05 |
| Aug | 1.18 | 1.29 | -0.11 |
| Sep | 1.37 | 1.40 | -0.03 |
| Oct | 1.65 | 1.85 | -0.20 |
| Nov | 1.09 | 1.27 | -0.18 |
| Dec | 0.86 | 1.06 | -0.20 |
17.89 | 19.88 | -1.99 |