| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.77 | -0.03 |
| Feb | 0.80 | 0.82 | -0.02 |
| Mar | 1.53 | 1.49 | 0.04 |
| Apr | 2.76 | 2.87 | -0.11 |
| May | 4.14 | 4.02 | 0.12 |
| Jun | 4.32 | 4.32 | 0.00 |
| Jul | 4.42 | 4.34 | 0.08 |
| Aug | 4.03 | 4.07 | -0.04 |
| Sep | 3.39 | 3.24 | 0.15 |
| Oct | 2.78 | 2.87 | -0.09 |
| Nov | 1.57 | 1.62 | -0.05 |
| Dec | 1.08 | 1.12 | -0.04 |
31.56 | 31.55 | 0.01 |