| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.64 | -0.01 |
| Feb | 0.75 | 0.72 | 0.03 |
| Mar | 1.42 | 1.44 | -0.02 |
| Apr | 2.28 | 2.32 | -0.04 |
| May | 4.00 | 4.09 | -0.09 |
| Jun | 3.75 | 3.88 | -0.13 |
| Jul | 4.32 | 4.33 | -0.01 |
| Aug | 3.42 | 3.40 | 0.02 |
| Sep | 2.26 | 2.25 | 0.01 |
| Oct | 1.90 | 1.87 | 0.03 |
| Nov | 1.17 | 1.17 | 0.00 |
| Dec | 0.89 | 0.92 | -0.03 |
26.79 | 27.03 | -0.24 |