| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.21 | 4.16 | 0.05 |
| Feb | 3.86 | 3.89 | -0.03 |
| Mar | 4.47 | 4.60 | -0.13 |
| Apr | 3.98 | 4.07 | -0.09 |
| May | 3.94 | 3.98 | -0.04 |
| Jun | 4.24 | 4.02 | 0.22 |
| Jul | 4.22 | 4.45 | -0.23 |
| Aug | 4.61 | 4.84 | -0.23 |
| Sep | 3.90 | 3.78 | 0.12 |
| Oct | 3.44 | 3.65 | -0.21 |
| Nov | 3.77 | 3.94 | -0.17 |
| Dec | 4.49 | 4.92 | -0.43 |
49.13 | 50.30 | -1.17 |