| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.35 | 4.48 | -0.13 |
| Feb | 2.82 | 3.02 | -0.20 |
| Mar | 3.16 | 3.29 | -0.13 |
| Apr | 3.42 | 3.94 | -0.52 |
| May | 4.27 | 3.86 | 0.41 |
| Jun | 5.32 | 5.04 | 0.28 |
| Jul | 4.28 | 3.83 | 0.45 |
| Aug | 5.22 | 4.99 | 0.23 |
| Sep | 6.46 | 6.61 | -0.15 |
| Oct | 5.17 | 5.08 | 0.09 |
| Nov | 4.01 | 4.53 | -0.52 |
| Dec | 4.28 | 4.36 | -0.08 |
52.76 | 53.03 | -0.27 |