| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.75 | 0.04 |
| Feb | 0.98 | 0.96 | 0.02 |
| Mar | 1.70 | 1.70 | 0.00 |
| Apr | 2.81 | 2.82 | -0.01 |
| May | 5.39 | 5.33 | 0.06 |
| Jun | 4.67 | 4.79 | -0.12 |
| Jul | 3.98 | 3.86 | 0.12 |
| Aug | 3.57 | 3.48 | 0.09 |
| Sep | 3.00 | 3.03 | -0.03 |
| Oct | 2.39 | 2.44 | -0.05 |
| Nov | 1.39 | 1.39 | 0.00 |
| Dec | 1.23 | 1.18 | 0.05 |
31.90 | 31.73 | 0.17 |