| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.89 | -0.04 |
| Feb | 3.43 | 3.59 | -0.16 |
| Mar | 3.88 | 4.01 | -0.13 |
| Apr | 3.32 | 3.54 | -0.22 |
| May | 4.14 | 4.23 | -0.09 |
| Jun | 5.19 | 5.06 | 0.13 |
| Jul | 6.28 | 7.07 | -0.79 |
| Aug | 7.07 | 7.70 | -0.63 |
| Sep | 8.12 | 9.37 | -1.25 |
| Oct | 4.70 | 5.04 | -0.34 |
| Nov | 3.62 | 3.81 | -0.19 |
| Dec | 3.66 | 3.99 | -0.33 |
57.26 | 61.30 | -4.04 |