| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.93 | -0.44 |
| Feb | 3.04 | 3.45 | -0.41 |
| Mar | 4.45 | 4.96 | -0.51 |
| Apr | 4.09 | 4.46 | -0.37 |
| May | 3.47 | 3.30 | 0.17 |
| Jun | 3.63 | 3.63 | 0.00 |
| Jul | 3.08 | 3.00 | 0.08 |
| Aug | 3.62 | 3.67 | -0.05 |
| Sep | 3.91 | 3.61 | 0.30 |
| Oct | 4.36 | 4.62 | -0.26 |
| Nov | 3.63 | 4.01 | -0.38 |
| Dec | 4.32 | 4.83 | -0.51 |
45.09 | 47.47 | -2.38 |