| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.08 | -0.08 |
| Feb | 3.54 | 3.51 | 0.03 |
| Mar | 4.79 | 4.82 | -0.03 |
| Apr | 4.40 | 4.58 | -0.18 |
| May | 3.56 | 3.52 | 0.04 |
| Jun | 4.00 | 4.22 | -0.22 |
| Jul | 3.43 | 3.52 | -0.09 |
| Aug | 3.84 | 3.89 | -0.05 |
| Sep | 4.01 | 4.05 | -0.04 |
| Oct | 4.86 | 4.92 | -0.06 |
| Nov | 4.08 | 4.15 | -0.07 |
| Dec | 4.82 | 5.00 | -0.18 |
49.33 | 50.26 | -0.93 |