| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.49 | 4.98 | -0.49 |
| Feb | 4.28 | 4.86 | -0.58 |
| Mar | 3.37 | 3.62 | -0.25 |
| Apr | 1.53 | 1.73 | -0.20 |
| May | 0.70 | 0.82 | -0.12 |
| Jun | 0.13 | 0.19 | -0.06 |
| Jul | 0.00 | 0.01 | -0.01 |
| Aug | 0.02 | 0.04 | -0.02 |
| Sep | 0.08 | 0.08 | 0.00 |
| Oct | 1.03 | 1.11 | -0.08 |
| Nov | 2.22 | 2.46 | -0.24 |
| Dec | 4.54 | 4.98 | -0.44 |
22.39 | 24.88 | -2.49 |