| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.34 | -0.09 |
| Feb | 2.74 | 2.93 | -0.19 |
| Mar | 3.22 | 3.48 | -0.26 |
| Apr | 3.60 | 3.64 | -0.04 |
| May | 3.66 | 3.72 | -0.06 |
| Jun | 4.37 | 4.38 | -0.01 |
| Jul | 4.21 | 4.25 | -0.04 |
| Aug | 4.15 | 4.09 | 0.06 |
| Sep | 3.90 | 3.96 | -0.06 |
| Oct | 4.72 | 4.91 | -0.19 |
| Nov | 3.43 | 3.60 | -0.17 |
| Dec | 4.07 | 4.14 | -0.07 |
45.32 | 46.44 | -1.12 |