| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.24 | 1.22 | 0.02 |
| Feb | 1.69 | 1.74 | -0.05 |
| Mar | 2.65 | 2.72 | -0.07 |
| Apr | 3.83 | 3.79 | 0.04 |
| May | 5.34 | 5.37 | -0.03 |
| Jun | 5.11 | 5.17 | -0.06 |
| Jul | 4.54 | 4.48 | 0.06 |
| Aug | 4.27 | 4.38 | -0.11 |
| Sep | 4.17 | 4.26 | -0.09 |
| Oct | 3.15 | 3.19 | -0.04 |
| Nov | 2.25 | 2.23 | 0.02 |
| Dec | 1.68 | 1.64 | 0.04 |
39.92 | 40.19 | -0.27 |