| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.19 | -0.15 |
| Feb | 1.26 | 1.27 | -0.01 |
| Mar | 2.03 | 1.92 | 0.11 |
| Apr | 2.74 | 2.60 | 0.14 |
| May | 2.45 | 2.34 | 0.11 |
| Jun | 1.55 | 1.54 | 0.01 |
| Jul | 2.22 | 1.89 | 0.33 |
| Aug | 2.02 | 2.17 | -0.15 |
| Sep | 1.59 | 1.77 | -0.18 |
| Oct | 1.46 | 1.52 | -0.06 |
| Nov | 1.22 | 1.28 | -0.06 |
| Dec | 1.12 | 1.17 | -0.05 |
20.70 | 20.66 | 0.04 |