| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.90 | -0.19 |
| Feb | 0.77 | 0.89 | -0.12 |
| Mar | 1.52 | 1.63 | -0.11 |
| Apr | 2.89 | 3.04 | -0.15 |
| May | 4.13 | 4.34 | -0.21 |
| Jun | 4.54 | 4.67 | -0.13 |
| Jul | 4.11 | 4.20 | -0.09 |
| Aug | 4.23 | 4.25 | -0.02 |
| Sep | 3.31 | 3.32 | -0.01 |
| Oct | 2.71 | 2.70 | 0.01 |
| Nov | 1.51 | 1.62 | -0.11 |
| Dec | 1.01 | 1.26 | -0.25 |
31.44 | 32.82 | -1.38 |