| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.96 | 2.15 | -0.19 |
| Feb | 1.80 | 1.83 | -0.03 |
| Mar | 1.51 | 1.52 | -0.01 |
| Apr | 1.32 | 1.26 | 0.06 |
| May | 1.21 | 1.34 | -0.13 |
| Jun | 0.70 | 0.91 | -0.21 |
| Jul | 1.82 | 2.18 | -0.36 |
| Aug | 2.38 | 2.69 | -0.31 |
| Sep | 2.19 | 2.32 | -0.13 |
| Oct | 1.83 | 1.75 | 0.08 |
| Nov | 1.59 | 1.75 | -0.16 |
| Dec | 1.82 | 1.85 | -0.03 |
20.13 | 21.55 | -1.42 |