| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 4.96 | -0.18 |
| Feb | 4.54 | 4.86 | -0.32 |
| Mar | 3.12 | 3.31 | -0.19 |
| Apr | 1.28 | 1.33 | -0.05 |
| May | 0.77 | 0.77 | 0.00 |
| Jun | 0.15 | 0.18 | -0.03 |
| Jul | 0.00 | 0.01 | -0.01 |
| Aug | 0.02 | 0.02 | 0.00 |
| Sep | 0.08 | 0.07 | 0.01 |
| Oct | 0.93 | 0.93 | 0.00 |
| Nov | 2.24 | 2.17 | 0.07 |
| Dec | 4.77 | 4.88 | -0.11 |
22.68 | 23.49 | -0.81 |