| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.06 | 4.11 | -0.05 |
| Feb | 3.70 | 3.64 | 0.06 |
| Mar | 5.08 | 5.05 | 0.03 |
| Apr | 4.44 | 4.52 | -0.08 |
| May | 3.65 | 3.61 | 0.04 |
| Jun | 4.11 | 3.91 | 0.20 |
| Jul | 3.38 | 3.35 | 0.03 |
| Aug | 3.62 | 3.69 | -0.07 |
| Sep | 3.94 | 3.78 | 0.16 |
| Oct | 4.91 | 5.00 | -0.09 |
| Nov | 4.26 | 4.26 | 0.00 |
| Dec | 4.96 | 4.98 | -0.02 |
50.11 | 49.90 | 0.21 |