| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.90 | 4.04 | -0.14 |
| Feb | 2.57 | 2.76 | -0.19 |
| Mar | 3.12 | 3.17 | -0.05 |
| Apr | 2.25 | 2.35 | -0.10 |
| May | 2.39 | 2.51 | -0.12 |
| Jun | 2.37 | 2.54 | -0.17 |
| Jul | 0.92 | 1.05 | -0.13 |
| Aug | 0.75 | 0.82 | -0.07 |
| Sep | 1.20 | 1.21 | -0.01 |
| Oct | 2.71 | 2.67 | 0.04 |
| Nov | 3.88 | 3.77 | 0.11 |
| Dec | 4.23 | 4.32 | -0.09 |
30.29 | 31.21 | -0.92 |