| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.40 | 0.09 |
| Feb | 2.18 | 2.02 | 0.16 |
| Mar | 2.84 | 2.81 | 0.03 |
| Apr | 2.52 | 2.53 | -0.01 |
| May | 3.68 | 3.79 | -0.11 |
| Jun | 8.57 | 8.32 | 0.25 |
| Jul | 6.98 | 6.93 | 0.05 |
| Aug | 7.38 | 7.63 | -0.25 |
| Sep | 6.58 | 6.41 | 0.17 |
| Oct | 3.31 | 3.42 | -0.11 |
| Nov | 1.75 | 1.87 | -0.12 |
| Dec | 2.22 | 2.34 | -0.12 |
50.50 | 50.47 | 0.03 |