| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.69 | 0.03 |
| Feb | 1.04 | 1.12 | -0.08 |
| Mar | 2.00 | 2.02 | -0.02 |
| Apr | 3.20 | 3.29 | -0.09 |
| May | 4.92 | 4.85 | 0.07 |
| Jun | 4.73 | 5.07 | -0.34 |
| Jul | 4.42 | 4.02 | 0.40 |
| Aug | 4.17 | 4.26 | -0.09 |
| Sep | 2.89 | 2.98 | -0.09 |
| Oct | 2.40 | 2.43 | -0.03 |
| Nov | 1.53 | 1.53 | 0.00 |
| Dec | 1.21 | 1.22 | -0.01 |
33.23 | 33.48 | -0.25 |