| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 0.93 | 0.03 |
| Feb | 0.88 | 0.93 | -0.05 |
| Mar | 1.39 | 1.44 | -0.05 |
| Apr | 2.43 | 2.55 | -0.12 |
| May | 3.13 | 3.11 | 0.02 |
| Jun | 4.22 | 4.08 | 0.14 |
| Jul | 3.86 | 3.66 | 0.20 |
| Aug | 3.45 | 3.56 | -0.11 |
| Sep | 3.22 | 3.35 | -0.13 |
| Oct | 2.89 | 2.92 | -0.03 |
| Nov | 1.77 | 1.87 | -0.10 |
| Dec | 1.32 | 1.38 | -0.06 |
29.52 | 29.78 | -0.26 |