| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.82 | 3.90 | -0.08 |
| Feb | 3.57 | 3.64 | -0.07 |
| Mar | 3.94 | 4.12 | -0.18 |
| Apr | 3.08 | 3.14 | -0.06 |
| May | 3.27 | 3.44 | -0.17 |
| Jun | 4.86 | 4.79 | 0.07 |
| Jul | 4.42 | 4.84 | -0.42 |
| Aug | 4.57 | 4.93 | -0.36 |
| Sep | 3.98 | 4.14 | -0.16 |
| Oct | 3.24 | 3.38 | -0.14 |
| Nov | 3.04 | 3.21 | -0.17 |
| Dec | 3.95 | 3.98 | -0.03 |
45.74 | 47.51 | -1.77 |