| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.04 | 0.03 |
| Feb | 1.50 | 1.42 | 0.08 |
| Mar | 2.75 | 2.65 | 0.10 |
| Apr | 3.90 | 3.81 | 0.09 |
| May | 5.91 | 5.93 | -0.02 |
| Jun | 5.41 | 5.42 | -0.01 |
| Jul | 4.08 | 3.97 | 0.11 |
| Aug | 3.92 | 4.02 | -0.10 |
| Sep | 3.44 | 3.16 | 0.28 |
| Oct | 3.51 | 3.34 | 0.17 |
| Nov | 2.03 | 2.05 | -0.02 |
| Dec | 1.54 | 1.55 | -0.01 |
39.06 | 38.36 | 0.70 |