| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.69 | 0.17 |
| Feb | 3.39 | 3.66 | -0.27 |
| Mar | 2.82 | 2.68 | 0.14 |
| Apr | 1.28 | 1.36 | -0.08 |
| May | 0.55 | 0.65 | -0.10 |
| Jun | 0.12 | 0.17 | -0.05 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.02 | 0.03 | -0.01 |
| Sep | 0.08 | 0.05 | 0.03 |
| Oct | 0.85 | 0.83 | 0.02 |
| Nov | 1.88 | 1.91 | -0.03 |
| Dec | 3.82 | 3.58 | 0.24 |
18.67 | 18.61 | 0.06 |