| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.48 | 0.03 |
| Feb | 3.24 | 3.09 | 0.15 |
| Mar | 2.61 | 2.46 | 0.15 |
| Apr | 1.52 | 1.49 | 0.03 |
| May | 0.73 | 0.78 | -0.05 |
| Jun | 0.14 | 0.16 | -0.02 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.02 | 0.02 | 0.00 |
| Sep | 0.11 | 0.11 | 0.00 |
| Oct | 0.85 | 0.86 | -0.01 |
| Nov | 1.82 | 1.65 | 0.17 |
| Dec | 3.18 | 3.21 | -0.03 |
17.73 | 17.31 | 0.42 |