| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.88 | -0.02 |
| Feb | 1.07 | 1.09 | -0.02 |
| Mar | 1.89 | 2.00 | -0.11 |
| Apr | 3.69 | 3.69 | 0.00 |
| May | 4.81 | 4.88 | -0.07 |
| Jun | 5.21 | 5.43 | -0.22 |
| Jul | 3.99 | 4.07 | -0.08 |
| Aug | 4.34 | 4.34 | 0.00 |
| Sep | 2.95 | 3.18 | -0.23 |
| Oct | 2.33 | 2.46 | -0.13 |
| Nov | 1.55 | 1.63 | -0.08 |
| Dec | 1.27 | 1.30 | -0.03 |
33.96 | 34.95 | -0.99 |