| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.38 | 0.15 |
| Feb | 0.63 | 0.44 | 0.19 |
| Mar | 1.14 | 1.05 | 0.09 |
| Apr | 2.09 | 1.88 | 0.21 |
| May | 2.54 | 2.41 | 0.13 |
| Jun | 2.11 | 1.86 | 0.25 |
| Jul | 3.12 | 2.84 | 0.28 |
| Aug | 2.51 | 3.11 | -0.60 |
| Sep | 1.23 | 1.05 | 0.18 |
| Oct | 1.04 | 1.15 | -0.11 |
| Nov | 0.70 | 0.54 | 0.16 |
| Dec | 0.53 | 0.49 | 0.04 |
18.17 | 17.20 | 0.97 |