| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.05 | -0.03 |
| Feb | 1.08 | 1.02 | 0.06 |
| Mar | 1.68 | 1.68 | 0.00 |
| Apr | 3.18 | 3.09 | 0.09 |
| May | 4.03 | 4.07 | -0.04 |
| Jun | 4.63 | 4.86 | -0.23 |
| Jul | 3.80 | 3.87 | -0.07 |
| Aug | 4.02 | 4.21 | -0.19 |
| Sep | 3.83 | 3.79 | 0.04 |
| Oct | 2.91 | 2.80 | 0.11 |
| Nov | 1.82 | 1.79 | 0.03 |
| Dec | 1.34 | 1.37 | -0.03 |
33.34 | 33.60 | -0.26 |