| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.98 | 4.93 | 0.05 |
| Feb | 4.90 | 4.87 | 0.03 |
| Mar | 5.14 | 5.00 | 0.14 |
| Apr | 4.32 | 4.39 | -0.07 |
| May | 4.02 | 3.99 | 0.03 |
| Jun | 4.33 | 4.05 | 0.28 |
| Jul | 4.65 | 4.61 | 0.04 |
| Aug | 4.31 | 4.23 | 0.08 |
| Sep | 4.08 | 3.96 | 0.12 |
| Oct | 3.53 | 3.47 | 0.06 |
| Nov | 4.26 | 4.23 | 0.03 |
| Dec | 4.88 | 4.90 | -0.02 |
53.40 | 52.63 | 0.77 |