| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.63 | 1.61 | 0.02 |
| Feb | 2.08 | 2.03 | 0.05 |
| Mar | 2.60 | 2.60 | 0.00 |
| Apr | 2.48 | 2.60 | -0.12 |
| May | 4.40 | 4.55 | -0.15 |
| Jun | 3.61 | 3.86 | -0.25 |
| Jul | 1.88 | 2.00 | -0.12 |
| Aug | 2.46 | 2.46 | 0.00 |
| Sep | 2.78 | 2.97 | -0.19 |
| Oct | 3.49 | 3.24 | 0.25 |
| Nov | 2.05 | 2.09 | -0.04 |
| Dec | 1.66 | 1.66 | 0.00 |
31.12 | 31.67 | -0.55 |