| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.42 | -0.01 |
| Feb | 0.47 | 0.53 | -0.06 |
| Mar | 1.13 | 1.34 | -0.21 |
| Apr | 1.99 | 2.11 | -0.12 |
| May | 2.53 | 2.84 | -0.31 |
| Jun | 1.73 | 1.86 | -0.13 |
| Jul | 1.54 | 1.80 | -0.26 |
| Aug | 1.35 | 1.45 | -0.10 |
| Sep | 1.34 | 1.47 | -0.13 |
| Oct | 1.12 | 1.26 | -0.14 |
| Nov | 0.70 | 0.79 | -0.09 |
| Dec | 0.44 | 0.50 | -0.06 |
14.75 | 16.37 | -1.62 |