| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.58 | -0.15 |
| Feb | 2.87 | 2.84 | 0.03 |
| Mar | 4.05 | 3.83 | 0.22 |
| Apr | 3.47 | 3.54 | -0.07 |
| May | 3.73 | 3.78 | -0.05 |
| Jun | 4.33 | 4.29 | 0.04 |
| Jul | 5.36 | 4.95 | 0.41 |
| Aug | 5.12 | 5.54 | -0.42 |
| Sep | 5.15 | 5.01 | 0.14 |
| Oct | 3.87 | 4.47 | -0.60 |
| Nov | 3.13 | 3.30 | -0.17 |
| Dec | 3.46 | 3.50 | -0.04 |
47.97 | 48.63 | -0.66 |