| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 2.12 | -0.32 |
| Feb | 1.65 | 1.84 | -0.19 |
| Mar | 1.60 | 1.75 | -0.15 |
| Apr | 1.26 | 1.36 | -0.10 |
| May | 1.29 | 1.28 | 0.01 |
| Jun | 0.79 | 0.85 | -0.06 |
| Jul | 2.38 | 2.61 | -0.23 |
| Aug | 2.60 | 2.87 | -0.27 |
| Sep | 2.26 | 2.53 | -0.27 |
| Oct | 1.74 | 1.95 | -0.21 |
| Nov | 1.86 | 1.78 | 0.08 |
| Dec | 1.69 | 1.92 | -0.23 |
20.92 | 22.86 | -1.94 |