| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.27 | 4.28 | -0.01 |
| Feb | 4.85 | 4.84 | 0.01 |
| Mar | 5.60 | 5.64 | -0.04 |
| Apr | 5.38 | 5.47 | -0.09 |
| May | 5.29 | 5.62 | -0.33 |
| Jun | 4.61 | 4.84 | -0.23 |
| Jul | 4.38 | 4.60 | -0.22 |
| Aug | 3.63 | 3.55 | 0.08 |
| Sep | 3.93 | 4.01 | -0.08 |
| Oct | 3.61 | 3.79 | -0.18 |
| Nov | 4.39 | 4.31 | 0.08 |
| Dec | 5.18 | 5.32 | -0.14 |
55.12 | 56.27 | -1.15 |