| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 0.98 | -0.02 |
| Feb | 0.88 | 0.94 | -0.06 |
| Mar | 1.39 | 1.45 | -0.06 |
| Apr | 2.43 | 2.57 | -0.14 |
| May | 3.13 | 3.19 | -0.06 |
| Jun | 4.22 | 4.13 | 0.09 |
| Jul | 3.86 | 3.69 | 0.17 |
| Aug | 3.45 | 3.57 | -0.12 |
| Sep | 3.22 | 3.36 | -0.14 |
| Oct | 2.89 | 2.95 | -0.06 |
| Nov | 1.77 | 1.91 | -0.14 |
| Dec | 1.32 | 1.42 | -0.10 |
29.52 | 30.16 | -0.64 |