| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.01 | 0.07 |
| Feb | 1.24 | 1.30 | -0.06 |
| Mar | 2.48 | 2.34 | 0.14 |
| Apr | 3.29 | 3.24 | 0.05 |
| May | 4.47 | 4.34 | 0.13 |
| Jun | 4.44 | 4.62 | -0.18 |
| Jul | 3.39 | 3.37 | 0.02 |
| Aug | 3.61 | 3.62 | -0.01 |
| Sep | 2.69 | 2.54 | 0.15 |
| Oct | 2.86 | 3.08 | -0.22 |
| Nov | 1.69 | 1.62 | 0.07 |
| Dec | 1.43 | 1.41 | 0.02 |
32.67 | 32.49 | 0.18 |