| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 3.04 | -0.19 |
| Feb | 2.17 | 2.43 | -0.26 |
| Mar | 2.62 | 2.85 | -0.23 |
| Apr | 3.34 | 3.44 | -0.10 |
| May | 3.26 | 3.18 | 0.08 |
| Jun | 3.33 | 3.42 | -0.09 |
| Jul | 3.43 | 3.24 | 0.19 |
| Aug | 3.20 | 3.19 | 0.01 |
| Sep | 3.79 | 3.75 | 0.04 |
| Oct | 3.69 | 3.93 | -0.24 |
| Nov | 3.19 | 3.31 | -0.12 |
| Dec | 3.23 | 3.45 | -0.22 |
38.10 | 39.23 | -1.13 |