| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.66 | 4.57 | 0.09 |
| Feb | 4.73 | 4.58 | 0.15 |
| Mar | 4.96 | 4.89 | 0.07 |
| Apr | 4.04 | 4.08 | -0.04 |
| May | 3.22 | 3.22 | 0.00 |
| Jun | 4.56 | 4.50 | 0.06 |
| Jul | 4.76 | 4.64 | 0.12 |
| Aug | 4.28 | 4.25 | 0.03 |
| Sep | 3.81 | 3.77 | 0.04 |
| Oct | 3.21 | 3.37 | -0.16 |
| Nov | 3.82 | 3.79 | 0.03 |
| Dec | 4.83 | 4.66 | 0.17 |
50.88 | 50.32 | 0.56 |