| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.26 | -0.24 |
| Feb | 2.96 | 3.18 | -0.22 |
| Mar | 3.55 | 3.64 | -0.09 |
| Apr | 4.01 | 4.12 | -0.11 |
| May | 5.16 | 5.32 | -0.16 |
| Jun | 5.66 | 5.69 | -0.03 |
| Jul | 4.19 | 4.47 | -0.28 |
| Aug | 4.96 | 5.28 | -0.32 |
| Sep | 5.15 | 5.54 | -0.39 |
| Oct | 5.00 | 4.90 | 0.10 |
| Nov | 4.24 | 4.63 | -0.39 |
| Dec | 4.01 | 4.17 | -0.16 |
52.91 | 55.20 | -2.29 |