| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.35 | 4.53 | -0.18 |
| Feb | 2.89 | 3.14 | -0.25 |
| Mar | 3.29 | 3.40 | -0.11 |
| Apr | 3.77 | 4.27 | -0.50 |
| May | 4.93 | 5.21 | -0.28 |
| Jun | 5.47 | 5.84 | -0.37 |
| Jul | 4.37 | 4.51 | -0.14 |
| Aug | 5.29 | 5.91 | -0.62 |
| Sep | 5.82 | 6.24 | -0.42 |
| Oct | 5.18 | 5.63 | -0.45 |
| Nov | 4.19 | 4.76 | -0.57 |
| Dec | 4.34 | 4.52 | -0.18 |
53.89 | 57.96 | -4.07 |