| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.87 | 1.81 | 0.06 |
| Feb | 1.74 | 1.72 | 0.02 |
| Mar | 2.39 | 2.36 | 0.03 |
| Apr | 2.35 | 2.36 | -0.01 |
| May | 4.00 | 3.79 | 0.21 |
| Jun | 3.34 | 3.33 | 0.01 |
| Jul | 2.27 | 2.78 | -0.51 |
| Aug | 2.37 | 2.25 | 0.12 |
| Sep | 3.45 | 3.66 | -0.21 |
| Oct | 3.27 | 3.44 | -0.17 |
| Nov | 2.15 | 2.37 | -0.22 |
| Dec | 1.79 | 1.99 | -0.20 |
30.99 | 31.86 | -0.87 |