| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 4.88 | -0.02 |
| Feb | 5.02 | 4.92 | 0.10 |
| Mar | 5.07 | 5.29 | -0.22 |
| Apr | 4.54 | 4.49 | 0.05 |
| May | 4.02 | 4.14 | -0.12 |
| Jun | 3.94 | 4.12 | -0.18 |
| Jul | 4.15 | 4.54 | -0.39 |
| Aug | 3.86 | 3.83 | 0.03 |
| Sep | 4.22 | 4.42 | -0.20 |
| Oct | 3.58 | 3.44 | 0.14 |
| Nov | 4.36 | 4.27 | 0.09 |
| Dec | 5.00 | 5.55 | -0.55 |
52.62 | 53.89 | -1.27 |