| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 4.05 | -0.20 |
| Feb | 3.25 | 3.51 | -0.26 |
| Mar | 3.96 | 4.16 | -0.20 |
| Apr | 4.23 | 4.27 | -0.04 |
| May | 4.38 | 4.39 | -0.01 |
| Jun | 5.03 | 5.11 | -0.08 |
| Jul | 4.64 | 4.54 | 0.10 |
| Aug | 4.53 | 4.54 | -0.01 |
| Sep | 4.21 | 4.30 | -0.09 |
| Oct | 5.43 | 5.43 | 0.00 |
| Nov | 4.13 | 4.18 | -0.05 |
| Dec | 4.61 | 4.93 | -0.32 |
52.25 | 53.41 | -1.16 |