| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.88 | 5.43 | -0.55 |
| Feb | 4.33 | 4.51 | -0.18 |
| Mar | 5.07 | 5.22 | -0.15 |
| Apr | 5.05 | 5.56 | -0.51 |
| May | 4.09 | 4.61 | -0.52 |
| Jun | 6.17 | 6.84 | -0.67 |
| Jul | 7.71 | 8.63 | -0.92 |
| Aug | 6.68 | 6.96 | -0.28 |
| Sep | 6.34 | 6.51 | -0.17 |
| Oct | 4.22 | 4.29 | -0.07 |
| Nov | 4.26 | 4.50 | -0.24 |
| Dec | 5.03 | 5.19 | -0.16 |
63.83 | 68.25 | -4.42 |