| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.74 | -0.10 |
| Feb | 0.84 | 0.96 | -0.12 |
| Mar | 1.75 | 1.82 | -0.07 |
| Apr | 2.57 | 2.60 | -0.03 |
| May | 2.52 | 2.81 | -0.29 |
| Jun | 1.96 | 1.95 | 0.01 |
| Jul | 2.29 | 2.82 | -0.53 |
| Aug | 2.24 | 2.56 | -0.32 |
| Sep | 1.64 | 1.73 | -0.09 |
| Oct | 1.27 | 1.35 | -0.08 |
| Nov | 0.85 | 0.92 | -0.07 |
| Dec | 0.64 | 0.76 | -0.12 |
19.21 | 21.02 | -1.81 |