| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.64 | -0.19 |
| Feb | 2.76 | 2.88 | -0.12 |
| Mar | 4.07 | 4.27 | -0.20 |
| Apr | 3.79 | 3.73 | 0.06 |
| May | 3.96 | 4.04 | -0.08 |
| Jun | 4.21 | 4.37 | -0.16 |
| Jul | 4.93 | 4.94 | -0.01 |
| Aug | 4.54 | 4.85 | -0.31 |
| Sep | 4.39 | 4.46 | -0.07 |
| Oct | 4.07 | 4.11 | -0.04 |
| Nov | 3.35 | 3.37 | -0.02 |
| Dec | 4.23 | 4.42 | -0.19 |
47.75 | 49.08 | -1.33 |