| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.60 | -0.11 |
| Feb | 2.72 | 2.75 | -0.03 |
| Mar | 3.56 | 3.55 | 0.01 |
| Apr | 3.54 | 3.55 | -0.01 |
| May | 4.71 | 4.47 | 0.24 |
| Jun | 3.86 | 3.98 | -0.12 |
| Jul | 2.02 | 2.26 | -0.24 |
| Aug | 2.30 | 2.24 | 0.06 |
| Sep | 3.04 | 3.24 | -0.20 |
| Oct | 4.55 | 4.79 | -0.24 |
| Nov | 2.82 | 3.03 | -0.21 |
| Dec | 2.87 | 3.19 | -0.32 |
38.48 | 39.65 | -1.17 |