| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.96 | -0.05 |
| Feb | 0.93 | 0.96 | -0.03 |
| Mar | 1.77 | 1.75 | 0.02 |
| Apr | 2.95 | 2.96 | -0.01 |
| May | 4.18 | 4.23 | -0.05 |
| Jun | 5.13 | 5.11 | 0.02 |
| Jul | 4.20 | 3.93 | 0.27 |
| Aug | 4.60 | 4.56 | 0.04 |
| Sep | 3.39 | 3.52 | -0.13 |
| Oct | 2.61 | 2.56 | 0.05 |
| Nov | 1.62 | 1.64 | -0.02 |
| Dec | 1.17 | 1.18 | -0.01 |
33.46 | 33.36 | 0.10 |