| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.58 | -0.05 |
| Feb | 2.89 | 2.92 | -0.03 |
| Mar | 4.07 | 4.01 | 0.06 |
| Apr | 3.68 | 3.77 | -0.09 |
| May | 3.77 | 3.97 | -0.20 |
| Jun | 4.51 | 4.23 | 0.28 |
| Jul | 5.31 | 5.47 | -0.16 |
| Aug | 5.05 | 5.37 | -0.32 |
| Sep | 5.00 | 5.02 | -0.02 |
| Oct | 3.95 | 4.34 | -0.39 |
| Nov | 3.08 | 3.07 | 0.01 |
| Dec | 3.62 | 3.64 | -0.02 |
48.46 | 49.39 | -0.93 |