| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.76 | 0.05 |
| Feb | 1.25 | 1.28 | -0.03 |
| Mar | 2.24 | 2.15 | 0.09 |
| Apr | 2.94 | 3.01 | -0.07 |
| May | 5.02 | 5.00 | 0.02 |
| Jun | 4.52 | 4.49 | 0.03 |
| Jul | 4.42 | 4.34 | 0.08 |
| Aug | 3.87 | 3.90 | -0.03 |
| Sep | 3.08 | 3.36 | -0.28 |
| Oct | 2.57 | 2.42 | 0.15 |
| Nov | 1.55 | 1.55 | 0.00 |
| Dec | 1.27 | 1.24 | 0.03 |
33.54 | 33.50 | 0.04 |