| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.91 | -0.33 |
| Feb | 4.21 | 4.44 | -0.23 |
| Mar | 4.63 | 4.83 | -0.20 |
| Apr | 4.12 | 4.23 | -0.11 |
| May | 3.81 | 3.86 | -0.05 |
| Jun | 4.45 | 4.34 | 0.11 |
| Jul | 4.35 | 4.34 | 0.01 |
| Aug | 4.82 | 5.24 | -0.42 |
| Sep | 4.02 | 4.14 | -0.12 |
| Oct | 3.61 | 3.80 | -0.19 |
| Nov | 3.84 | 4.05 | -0.21 |
| Dec | 4.89 | 5.22 | -0.33 |
51.33 | 53.40 | -2.07 |