| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.71 | 0.02 |
| Feb | 1.05 | 1.11 | -0.06 |
| Mar | 1.96 | 1.99 | -0.03 |
| Apr | 3.15 | 3.21 | -0.06 |
| May | 4.92 | 4.93 | -0.01 |
| Jun | 4.84 | 4.92 | -0.08 |
| Jul | 4.48 | 4.26 | 0.22 |
| Aug | 4.19 | 4.12 | 0.07 |
| Sep | 2.92 | 2.98 | -0.06 |
| Oct | 2.39 | 2.42 | -0.03 |
| Nov | 1.50 | 1.52 | -0.02 |
| Dec | 1.21 | 1.20 | 0.01 |
33.34 | 33.37 | -0.03 |