| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.05 | -0.07 |
| Feb | 3.36 | 3.54 | -0.18 |
| Mar | 4.13 | 4.26 | -0.13 |
| Apr | 4.24 | 4.57 | -0.33 |
| May | 3.73 | 3.75 | -0.02 |
| Jun | 4.28 | 4.52 | -0.24 |
| Jul | 3.25 | 3.22 | 0.03 |
| Aug | 3.28 | 3.27 | 0.01 |
| Sep | 4.06 | 4.10 | -0.04 |
| Oct | 5.25 | 5.63 | -0.38 |
| Nov | 4.62 | 4.75 | -0.13 |
| Dec | 4.75 | 4.92 | -0.17 |
48.93 | 50.58 | -1.65 |