| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.25 | 0.05 |
| Feb | 3.04 | 2.98 | 0.06 |
| Mar | 3.65 | 3.50 | 0.15 |
| Apr | 3.88 | 3.90 | -0.02 |
| May | 3.79 | 3.97 | -0.18 |
| Jun | 4.45 | 4.51 | -0.06 |
| Jul | 4.43 | 4.51 | -0.08 |
| Aug | 3.86 | 3.96 | -0.10 |
| Sep | 3.93 | 3.89 | 0.04 |
| Oct | 5.14 | 5.28 | -0.14 |
| Nov | 3.94 | 3.89 | 0.05 |
| Dec | 4.22 | 4.28 | -0.06 |
47.63 | 47.92 | -0.29 |