| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.63 | 8.41 | -0.78 |
| Feb | 7.54 | 7.90 | -0.36 |
| Mar | 5.57 | 5.75 | -0.18 |
| Apr | 2.57 | 2.78 | -0.21 |
| May | 1.39 | 1.51 | -0.12 |
| Jun | 0.27 | 0.43 | -0.16 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.03 | 0.06 | -0.03 |
| Sep | 0.14 | 0.14 | 0.00 |
| Oct | 1.70 | 1.80 | -0.10 |
| Nov | 3.96 | 4.37 | -0.41 |
| Dec | 8.12 | 8.66 | -0.54 |
38.93 | 41.83 | -2.90 |