| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.34 | 0.48 | -0.14 |
| Feb | 0.44 | 0.52 | -0.08 |
| Mar | 0.73 | 1.20 | -0.47 |
| Apr | 1.62 | 1.99 | -0.37 |
| May | 2.07 | 2.19 | -0.12 |
| Jun | 2.05 | 2.32 | -0.27 |
| Jul | 3.32 | 3.29 | 0.03 |
| Aug | 2.65 | 3.60 | -0.95 |
| Sep | 1.33 | 1.57 | -0.24 |
| Oct | 0.89 | 0.85 | 0.04 |
| Nov | 0.58 | 0.70 | -0.12 |
| Dec | 0.35 | 0.52 | -0.17 |
16.37 | 19.23 | -2.86 |