| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.84 | 0.02 |
| Feb | 1.27 | 1.25 | 0.02 |
| Mar | 2.37 | 2.35 | 0.02 |
| Apr | 3.23 | 2.95 | 0.28 |
| May | 5.04 | 5.13 | -0.09 |
| Jun | 4.78 | 4.83 | -0.05 |
| Jul | 4.14 | 3.92 | 0.22 |
| Aug | 3.93 | 4.03 | -0.10 |
| Sep | 2.72 | 2.70 | 0.02 |
| Oct | 2.94 | 2.87 | 0.07 |
| Nov | 1.61 | 1.53 | 0.08 |
| Dec | 1.25 | 1.21 | 0.04 |
34.14 | 33.61 | 0.53 |