| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.97 | 5.24 | -0.27 |
| Feb | 4.94 | 5.07 | -0.13 |
| Mar | 5.07 | 5.25 | -0.18 |
| Apr | 4.18 | 4.40 | -0.22 |
| May | 4.11 | 4.06 | 0.05 |
| Jun | 4.66 | 4.64 | 0.02 |
| Jul | 4.54 | 5.18 | -0.64 |
| Aug | 4.73 | 4.93 | -0.20 |
| Sep | 3.97 | 4.13 | -0.16 |
| Oct | 3.86 | 3.89 | -0.03 |
| Nov | 4.31 | 4.40 | -0.09 |
| Dec | 4.91 | 4.97 | -0.06 |
54.25 | 56.16 | -1.91 |