| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.29 | 1.28 | 0.01 |
| Feb | 1.21 | 1.04 | 0.17 |
| Mar | 0.89 | 0.76 | 0.13 |
| Apr | 0.42 | 0.44 | -0.02 |
| May | 0.39 | 0.78 | -0.39 |
| Jun | 0.75 | 0.93 | -0.18 |
| Jul | 3.03 | 3.36 | -0.33 |
| Aug | 2.94 | 3.21 | -0.27 |
| Sep | 1.96 | 2.00 | -0.04 |
| Oct | 1.02 | 1.12 | -0.10 |
| Nov | 1.00 | 1.14 | -0.14 |
| Dec | 1.58 | 1.46 | 0.12 |
16.48 | 17.52 | -1.04 |