| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.28 | -0.10 |
| Feb | 1.04 | 1.07 | -0.03 |
| Mar | 1.63 | 1.72 | -0.09 |
| Apr | 2.75 | 2.86 | -0.11 |
| May | 3.24 | 3.40 | -0.16 |
| Jun | 3.77 | 4.00 | -0.23 |
| Jul | 3.57 | 3.67 | -0.10 |
| Aug | 3.17 | 3.18 | -0.01 |
| Sep | 3.44 | 3.52 | -0.08 |
| Oct | 3.09 | 3.13 | -0.04 |
| Nov | 2.03 | 2.07 | -0.04 |
| Dec | 1.48 | 1.57 | -0.09 |
30.39 | 31.47 | -1.08 |