| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.81 | -0.13 |
| Feb | 3.22 | 3.25 | -0.03 |
| Mar | 3.98 | 4.12 | -0.14 |
| Apr | 3.84 | 4.03 | -0.19 |
| May | 3.88 | 3.80 | 0.08 |
| Jun | 4.36 | 4.51 | -0.15 |
| Jul | 4.30 | 4.27 | 0.03 |
| Aug | 4.43 | 4.49 | -0.06 |
| Sep | 4.02 | 4.22 | -0.20 |
| Oct | 3.37 | 3.20 | 0.17 |
| Nov | 3.32 | 3.42 | -0.10 |
| Dec | 3.86 | 4.01 | -0.15 |
46.26 | 47.13 | -0.87 |