| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.06 | 5.16 | -0.10 |
| Feb | 4.86 | 5.00 | -0.14 |
| Mar | 5.14 | 5.22 | -0.08 |
| Apr | 4.41 | 4.47 | -0.06 |
| May | 3.95 | 4.02 | -0.07 |
| Jun | 4.24 | 4.19 | 0.05 |
| Jul | 4.55 | 4.65 | -0.10 |
| Aug | 4.28 | 4.44 | -0.16 |
| Sep | 4.04 | 4.05 | -0.01 |
| Oct | 3.51 | 3.64 | -0.13 |
| Nov | 4.28 | 4.37 | -0.09 |
| Dec | 4.94 | 5.07 | -0.13 |
53.26 | 54.28 | -1.02 |