| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.34 | 0.01 |
| Feb | 0.50 | 0.51 | -0.01 |
| Mar | 0.96 | 0.92 | 0.04 |
| Apr | 1.86 | 1.88 | -0.02 |
| May | 2.91 | 2.83 | 0.08 |
| Jun | 2.72 | 2.70 | 0.02 |
| Jul | 2.22 | 2.17 | 0.05 |
| Aug | 1.35 | 1.41 | -0.06 |
| Sep | 1.28 | 1.28 | 0.00 |
| Oct | 1.27 | 1.30 | -0.03 |
| Nov | 0.46 | 0.52 | -0.06 |
| Dec | 0.39 | 0.40 | -0.01 |
16.27 | 16.26 | 0.01 |