| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.17 | -0.21 |
| Feb | 0.91 | 1.04 | -0.13 |
| Mar | 1.42 | 1.47 | -0.05 |
| Apr | 2.47 | 2.58 | -0.11 |
| May | 3.21 | 3.34 | -0.13 |
| Jun | 4.34 | 4.35 | -0.01 |
| Jul | 4.01 | 3.87 | 0.14 |
| Aug | 3.61 | 3.71 | -0.10 |
| Sep | 3.26 | 3.45 | -0.19 |
| Oct | 2.96 | 3.07 | -0.11 |
| Nov | 1.77 | 2.00 | -0.23 |
| Dec | 1.32 | 1.46 | -0.14 |
30.24 | 31.51 | -1.27 |