| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 2.66 | 0.33 |
| Feb | 2.23 | 2.06 | 0.17 |
| Mar | 2.35 | 2.36 | -0.01 |
| Apr | 1.75 | 1.84 | -0.09 |
| May | 1.43 | 1.62 | -0.19 |
| Jun | 1.20 | 1.48 | -0.28 |
| Jul | 0.61 | 0.73 | -0.12 |
| Aug | 0.66 | 0.69 | -0.03 |
| Sep | 1.07 | 1.11 | -0.04 |
| Oct | 2.17 | 1.96 | 0.21 |
| Nov | 3.69 | 3.24 | 0.45 |
| Dec | 3.44 | 3.17 | 0.27 |
23.59 | 22.92 | 0.67 |