| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.14 | -0.05 |
| Feb | 1.05 | 1.08 | -0.03 |
| Mar | 1.67 | 1.75 | -0.08 |
| Apr | 2.79 | 3.08 | -0.29 |
| May | 3.77 | 3.92 | -0.15 |
| Jun | 4.18 | 4.40 | -0.22 |
| Jul | 4.40 | 4.62 | -0.22 |
| Aug | 3.79 | 4.03 | -0.24 |
| Sep | 3.66 | 3.76 | -0.10 |
| Oct | 3.42 | 3.41 | 0.01 |
| Nov | 1.99 | 2.02 | -0.03 |
| Dec | 1.51 | 1.54 | -0.03 |
33.32 | 34.75 | -1.43 |