| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.34 | 0.04 |
| Feb | 0.39 | 0.40 | -0.01 |
| Mar | 0.65 | 0.62 | 0.03 |
| Apr | 1.27 | 1.28 | -0.01 |
| May | 2.64 | 2.63 | 0.01 |
| Jun | 3.15 | 3.14 | 0.01 |
| Jul | 2.43 | 2.48 | -0.05 |
| Aug | 1.92 | 1.89 | 0.03 |
| Sep | 1.66 | 1.87 | -0.21 |
| Oct | 1.31 | 1.29 | 0.02 |
| Nov | 0.54 | 0.55 | -0.01 |
| Dec | 0.44 | 0.42 | 0.02 |
16.78 | 16.91 | -0.13 |