| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.27 | 4.42 | -0.15 |
| Feb | 3.43 | 3.64 | -0.21 |
| Mar | 3.69 | 3.72 | -0.03 |
| Apr | 3.83 | 3.86 | -0.03 |
| May | 4.67 | 4.89 | -0.22 |
| Jun | 5.27 | 5.10 | 0.17 |
| Jul | 3.80 | 3.46 | 0.34 |
| Aug | 4.33 | 4.62 | -0.29 |
| Sep | 4.43 | 4.46 | -0.03 |
| Oct | 5.23 | 5.34 | -0.11 |
| Nov | 4.61 | 4.92 | -0.31 |
| Dec | 4.38 | 4.44 | -0.06 |
51.94 | 52.87 | -0.93 |