| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.57 | 0.01 |
| Feb | 0.52 | 0.49 | 0.03 |
| Mar | 1.31 | 1.37 | -0.06 |
| Apr | 1.86 | 1.83 | 0.03 |
| May | 2.78 | 2.73 | 0.05 |
| Jun | 3.46 | 3.32 | 0.14 |
| Jul | 3.12 | 3.01 | 0.11 |
| Aug | 2.74 | 2.90 | -0.16 |
| Sep | 1.46 | 1.34 | 0.12 |
| Oct | 1.85 | 1.84 | 0.01 |
| Nov | 0.68 | 0.70 | -0.02 |
| Dec | 0.86 | 0.83 | 0.03 |
21.22 | 20.93 | 0.29 |