| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 1.01 | -0.02 |
| Feb | 0.92 | 0.90 | 0.02 |
| Mar | 1.47 | 1.60 | -0.13 |
| Apr | 1.35 | 1.55 | -0.20 |
| May | 2.53 | 2.88 | -0.35 |
| Jun | 2.19 | 2.32 | -0.13 |
| Jul | 2.09 | 2.20 | -0.11 |
| Aug | 1.94 | 1.51 | 0.43 |
| Sep | 4.27 | 4.03 | 0.24 |
| Oct | 1.90 | 1.79 | 0.11 |
| Nov | 1.25 | 1.28 | -0.03 |
| Dec | 1.08 | 1.20 | -0.12 |
21.98 | 22.27 | -0.29 |