| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.94 | 6.01 | -0.07 |
| Feb | 5.97 | 6.03 | -0.06 |
| Mar | 4.18 | 4.17 | 0.01 |
| Apr | 1.98 | 2.03 | -0.05 |
| May | 1.09 | 1.20 | -0.11 |
| Jun | 0.25 | 0.32 | -0.07 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.03 | 0.05 | -0.02 |
| Sep | 0.12 | 0.12 | 0.00 |
| Oct | 1.53 | 1.51 | 0.02 |
| Nov | 3.36 | 3.15 | 0.21 |
| Dec | 6.33 | 6.24 | 0.09 |
30.79 | 30.85 | -0.06 |