| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.66 | -0.02 |
| Feb | 3.62 | 3.79 | -0.17 |
| Mar | 5.03 | 5.01 | 0.02 |
| Apr | 5.25 | 5.30 | -0.05 |
| May | 5.41 | 5.67 | -0.26 |
| Jun | 3.73 | 3.96 | -0.23 |
| Jul | 4.04 | 3.95 | 0.09 |
| Aug | 3.91 | 3.86 | 0.05 |
| Sep | 3.71 | 3.90 | -0.19 |
| Oct | 4.09 | 4.32 | -0.23 |
| Nov | 4.86 | 5.11 | -0.25 |
| Dec | 4.60 | 4.68 | -0.08 |
51.89 | 53.21 | -1.32 |