| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.37 | 0.08 |
| Feb | 2.92 | 2.86 | 0.06 |
| Mar | 4.01 | 4.08 | -0.07 |
| Apr | 3.41 | 3.44 | -0.03 |
| May | 3.65 | 3.80 | -0.15 |
| Jun | 4.03 | 4.25 | -0.22 |
| Jul | 4.29 | 4.34 | -0.05 |
| Aug | 4.92 | 4.96 | -0.04 |
| Sep | 4.07 | 4.19 | -0.12 |
| Oct | 3.78 | 3.99 | -0.21 |
| Nov | 3.15 | 3.24 | -0.09 |
| Dec | 3.64 | 3.79 | -0.15 |
45.32 | 46.31 | -0.99 |