| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.96 | -0.15 |
| Feb | 0.80 | 0.94 | -0.14 |
| Mar | 1.64 | 1.72 | -0.08 |
| Apr | 2.91 | 2.95 | -0.04 |
| May | 4.14 | 4.22 | -0.08 |
| Jun | 4.71 | 4.94 | -0.23 |
| Jul | 4.20 | 4.27 | -0.07 |
| Aug | 4.54 | 4.38 | 0.16 |
| Sep | 3.37 | 3.26 | 0.11 |
| Oct | 2.68 | 2.79 | -0.11 |
| Nov | 1.58 | 1.69 | -0.11 |
| Dec | 1.16 | 1.31 | -0.15 |
32.54 | 33.43 | -0.89 |