| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.94 | -0.06 |
| Feb | 1.10 | 1.21 | -0.11 |
| Mar | 2.06 | 2.04 | 0.02 |
| Apr | 3.75 | 3.65 | 0.10 |
| May | 5.06 | 4.96 | 0.10 |
| Jun | 5.06 | 5.21 | -0.15 |
| Jul | 3.98 | 4.05 | -0.07 |
| Aug | 4.04 | 3.92 | 0.12 |
| Sep | 3.39 | 3.31 | 0.08 |
| Oct | 2.54 | 2.68 | -0.14 |
| Nov | 1.79 | 1.76 | 0.03 |
| Dec | 1.29 | 1.39 | -0.10 |
34.94 | 35.12 | -0.18 |