| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.33 | 6.55 | 0.78 |
| Feb | 6.13 | 5.99 | 0.14 |
| Mar | 4.91 | 4.37 | 0.54 |
| Apr | 2.08 | 2.23 | -0.15 |
| May | 1.26 | 1.13 | 0.13 |
| Jun | 0.31 | 0.33 | -0.02 |
| Jul | 0.02 | 0.03 | -0.01 |
| Aug | 0.05 | 0.04 | 0.01 |
| Sep | 0.17 | 0.11 | 0.06 |
| Oct | 1.49 | 1.42 | 0.07 |
| Nov | 3.61 | 3.28 | 0.33 |
| Dec | 6.95 | 6.92 | 0.03 |
34.31 | 32.40 | 1.91 |