| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.75 | 6.02 | -0.27 |
| Feb | 5.70 | 6.62 | -0.92 |
| Mar | 3.95 | 4.41 | -0.46 |
| Apr | 1.82 | 1.81 | 0.01 |
| May | 0.73 | 0.97 | -0.24 |
| Jun | 0.13 | 0.23 | -0.10 |
| Jul | 0.04 | 0.10 | -0.06 |
| Aug | 0.03 | 0.02 | 0.01 |
| Sep | 0.08 | 0.07 | 0.01 |
| Oct | 1.01 | 1.07 | -0.06 |
| Nov | 2.24 | 2.43 | -0.19 |
| Dec | 4.95 | 6.40 | -1.45 |
26.43 | 30.15 | -3.72 |