| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.42 | -0.06 |
| Feb | 3.19 | 3.42 | -0.23 |
| Mar | 3.94 | 3.98 | -0.04 |
| Apr | 4.30 | 4.34 | -0.04 |
| May | 3.63 | 3.54 | 0.09 |
| Jun | 4.44 | 4.62 | -0.18 |
| Jul | 3.64 | 3.70 | -0.06 |
| Aug | 3.58 | 3.61 | -0.03 |
| Sep | 3.96 | 3.91 | 0.05 |
| Oct | 5.21 | 5.62 | -0.41 |
| Nov | 4.41 | 4.41 | 0.00 |
| Dec | 4.33 | 4.61 | -0.28 |
47.99 | 49.18 | -1.19 |