| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.26 | 0.14 |
| Feb | 1.62 | 1.50 | 0.12 |
| Mar | 2.04 | 1.83 | 0.21 |
| Apr | 1.69 | 1.43 | 0.26 |
| May | 1.81 | 1.44 | 0.37 |
| Jun | 1.80 | 1.47 | 0.33 |
| Jul | 0.64 | 0.55 | 0.09 |
| Aug | 0.54 | 0.44 | 0.10 |
| Sep | 0.77 | 0.67 | 0.10 |
| Oct | 1.67 | 1.54 | 0.13 |
| Nov | 2.52 | 2.22 | 0.30 |
| Dec | 2.90 | 2.51 | 0.39 |
20.40 | 17.86 | 2.54 |