| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.70 | -0.11 |
| Feb | 0.64 | 0.61 | 0.03 |
| Mar | 1.12 | 1.05 | 0.07 |
| Apr | 2.23 | 2.18 | 0.05 |
| May | 3.11 | 2.89 | 0.22 |
| Jun | 4.03 | 3.82 | 0.21 |
| Jul | 3.52 | 3.22 | 0.30 |
| Aug | 3.02 | 2.85 | 0.17 |
| Sep | 2.62 | 2.46 | 0.16 |
| Oct | 2.14 | 2.13 | 0.01 |
| Nov | 0.86 | 0.85 | 0.01 |
| Dec | 0.67 | 0.65 | 0.02 |
24.55 | 23.41 | 1.14 |