| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.52 | 0.22 |
| Feb | 3.82 | 3.86 | -0.04 |
| Mar | 4.80 | 4.61 | 0.19 |
| Apr | 5.26 | 5.11 | 0.15 |
| May | 5.91 | 5.98 | -0.07 |
| Jun | 4.19 | 4.07 | 0.12 |
| Jul | 3.70 | 3.39 | 0.31 |
| Aug | 3.03 | 3.17 | -0.14 |
| Sep | 4.03 | 4.26 | -0.23 |
| Oct | 4.87 | 5.11 | -0.24 |
| Nov | 4.70 | 4.43 | 0.27 |
| Dec | 4.81 | 4.73 | 0.08 |
52.86 | 52.24 | 0.62 |