| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.48 | -0.21 |
| Feb | 1.21 | 1.34 | -0.13 |
| Mar | 0.93 | 0.91 | 0.02 |
| Apr | 0.37 | 0.57 | -0.20 |
| May | 0.46 | 0.93 | -0.47 |
| Jun | 0.79 | 0.98 | -0.19 |
| Jul | 3.41 | 4.47 | -1.06 |
| Aug | 3.28 | 3.78 | -0.50 |
| Sep | 2.10 | 2.48 | -0.38 |
| Oct | 1.06 | 1.28 | -0.22 |
| Nov | 1.12 | 1.20 | -0.08 |
| Dec | 1.62 | 1.75 | -0.13 |
17.62 | 21.17 | -3.55 |