| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.19 | -0.14 |
| Feb | 2.62 | 2.61 | 0.01 |
| Mar | 3.31 | 3.32 | -0.01 |
| Apr | 3.45 | 3.41 | 0.04 |
| May | 4.05 | 4.06 | -0.01 |
| Jun | 4.28 | 4.38 | -0.10 |
| Jul | 4.08 | 4.08 | 0.00 |
| Aug | 3.76 | 3.55 | 0.21 |
| Sep | 3.41 | 3.37 | 0.04 |
| Oct | 2.92 | 3.01 | -0.09 |
| Nov | 2.81 | 3.00 | -0.19 |
| Dec | 3.10 | 3.28 | -0.18 |
40.84 | 41.26 | -0.42 |