| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 2.62 | 0.04 |
| Feb | 2.16 | 2.25 | -0.09 |
| Mar | 2.59 | 2.59 | 0.00 |
| Apr | 3.24 | 3.15 | 0.09 |
| May | 3.51 | 3.35 | 0.16 |
| Jun | 3.92 | 3.84 | 0.08 |
| Jul | 3.79 | 3.78 | 0.01 |
| Aug | 3.89 | 3.94 | -0.05 |
| Sep | 3.65 | 3.76 | -0.11 |
| Oct | 4.05 | 4.18 | -0.13 |
| Nov | 3.11 | 3.34 | -0.23 |
| Dec | 2.76 | 2.89 | -0.13 |
39.33 | 39.69 | -0.36 |