| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.64 | -0.07 |
| Feb | 0.63 | 0.70 | -0.07 |
| Mar | 1.40 | 1.61 | -0.21 |
| Apr | 2.17 | 2.31 | -0.14 |
| May | 2.28 | 2.47 | -0.19 |
| Jun | 1.81 | 1.92 | -0.11 |
| Jul | 2.20 | 2.18 | 0.02 |
| Aug | 2.01 | 2.17 | -0.16 |
| Sep | 1.38 | 1.40 | -0.02 |
| Oct | 1.04 | 1.25 | -0.21 |
| Nov | 0.72 | 0.92 | -0.20 |
| Dec | 0.61 | 0.67 | -0.06 |
16.82 | 18.24 | -1.42 |