| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.45 | 0.04 |
| Feb | 0.38 | 0.37 | 0.01 |
| Mar | 1.21 | 1.17 | 0.04 |
| Apr | 1.64 | 1.72 | -0.08 |
| May | 2.41 | 2.31 | 0.10 |
| Jun | 3.19 | 2.91 | 0.28 |
| Jul | 2.86 | 2.87 | -0.01 |
| Aug | 2.86 | 2.62 | 0.24 |
| Sep | 1.36 | 1.42 | -0.06 |
| Oct | 1.87 | 1.93 | -0.06 |
| Nov | 0.65 | 0.57 | 0.08 |
| Dec | 0.81 | 0.84 | -0.03 |
19.73 | 19.18 | 0.55 |