| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.94 | -0.04 |
| Feb | 0.85 | 0.92 | -0.07 |
| Mar | 1.37 | 1.41 | -0.04 |
| Apr | 2.47 | 2.65 | -0.18 |
| May | 3.21 | 3.28 | -0.07 |
| Jun | 4.18 | 4.30 | -0.12 |
| Jul | 3.85 | 3.82 | 0.03 |
| Aug | 3.60 | 3.80 | -0.20 |
| Sep | 3.17 | 3.31 | -0.14 |
| Oct | 2.89 | 2.96 | -0.07 |
| Nov | 1.75 | 1.86 | -0.11 |
| Dec | 1.27 | 1.37 | -0.10 |
29.51 | 30.62 | -1.11 |