| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.25 | -0.16 |
| Feb | 1.83 | 1.89 | -0.06 |
| Mar | 1.52 | 1.50 | 0.02 |
| Apr | 1.41 | 1.26 | 0.15 |
| May | 1.30 | 1.38 | -0.08 |
| Jun | 0.71 | 0.91 | -0.20 |
| Jul | 1.81 | 2.20 | -0.39 |
| Aug | 2.45 | 2.75 | -0.30 |
| Sep | 2.20 | 2.30 | -0.10 |
| Oct | 1.92 | 1.79 | 0.13 |
| Nov | 1.61 | 1.83 | -0.22 |
| Dec | 1.91 | 1.89 | 0.02 |
20.76 | 21.95 | -1.19 |