| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.90 | -0.05 |
| Feb | 0.78 | 0.77 | 0.01 |
| Mar | 1.02 | 1.09 | -0.07 |
| Apr | 1.90 | 1.94 | -0.04 |
| May | 2.99 | 3.08 | -0.09 |
| Jun | 4.08 | 4.11 | -0.03 |
| Jul | 3.92 | 3.95 | -0.03 |
| Aug | 3.35 | 3.18 | 0.17 |
| Sep | 3.53 | 3.56 | -0.03 |
| Oct | 2.67 | 2.64 | 0.03 |
| Nov | 1.51 | 1.43 | 0.08 |
| Dec | 1.04 | 1.12 | -0.08 |
27.64 | 27.77 | -0.13 |