| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.60 | -0.11 |
| Feb | 0.51 | 0.62 | -0.11 |
| Mar | 1.08 | 1.36 | -0.28 |
| Apr | 1.90 | 2.26 | -0.36 |
| May | 2.15 | 2.35 | -0.20 |
| Jun | 1.95 | 2.09 | -0.14 |
| Jul | 2.41 | 2.26 | 0.15 |
| Aug | 1.94 | 2.12 | -0.18 |
| Sep | 1.20 | 1.36 | -0.16 |
| Oct | 1.06 | 1.14 | -0.08 |
| Nov | 0.66 | 0.83 | -0.17 |
| Dec | 0.51 | 0.62 | -0.11 |
15.86 | 17.61 | -1.75 |