| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.90 | -0.23 |
| Feb | 0.86 | 1.14 | -0.28 |
| Mar | 1.85 | 2.13 | -0.28 |
| Apr | 2.66 | 2.94 | -0.28 |
| May | 2.56 | 2.96 | -0.40 |
| Jun | 1.90 | 1.82 | 0.08 |
| Jul | 2.20 | 2.24 | -0.04 |
| Aug | 2.14 | 2.09 | 0.05 |
| Sep | 1.61 | 1.79 | -0.18 |
| Oct | 1.24 | 1.54 | -0.30 |
| Nov | 0.88 | 1.12 | -0.24 |
| Dec | 0.69 | 0.90 | -0.21 |
19.26 | 21.57 | -2.31 |