| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.22 | 0.36 |
| Feb | 3.77 | 3.47 | 0.30 |
| Mar | 4.49 | 4.01 | 0.48 |
| Apr | 4.53 | 4.22 | 0.31 |
| May | 4.31 | 4.23 | 0.08 |
| Jun | 4.63 | 4.54 | 0.09 |
| Jul | 4.51 | 4.68 | -0.17 |
| Aug | 4.89 | 5.03 | -0.14 |
| Sep | 4.50 | 4.26 | 0.24 |
| Oct | 3.86 | 3.39 | 0.47 |
| Nov | 4.09 | 3.61 | 0.48 |
| Dec | 4.53 | 4.37 | 0.16 |
52.69 | 50.03 | 2.66 |