| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.54 | -0.03 |
| Feb | 2.86 | 2.89 | -0.03 |
| Mar | 4.02 | 4.00 | 0.02 |
| Apr | 3.64 | 3.69 | -0.05 |
| May | 3.80 | 3.92 | -0.12 |
| Jun | 4.55 | 4.26 | 0.29 |
| Jul | 5.21 | 5.37 | -0.16 |
| Aug | 4.92 | 5.12 | -0.20 |
| Sep | 4.81 | 5.08 | -0.27 |
| Oct | 4.00 | 4.35 | -0.35 |
| Nov | 3.07 | 3.09 | -0.02 |
| Dec | 3.60 | 3.69 | -0.09 |
47.99 | 49.00 | -1.01 |