| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.47 | -0.09 |
| Feb | 3.05 | 3.02 | 0.03 |
| Mar | 3.49 | 3.63 | -0.14 |
| Apr | 3.34 | 3.42 | -0.08 |
| May | 3.47 | 3.42 | 0.05 |
| Jun | 4.87 | 4.86 | 0.01 |
| Jul | 5.29 | 5.15 | 0.14 |
| Aug | 4.73 | 5.03 | -0.30 |
| Sep | 5.29 | 5.48 | -0.19 |
| Oct | 3.29 | 3.30 | -0.01 |
| Nov | 3.32 | 3.33 | -0.01 |
| Dec | 3.45 | 3.43 | 0.02 |
46.97 | 47.54 | -0.57 |