| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.75 | 5.11 | -0.36 |
| Feb | 4.71 | 4.92 | -0.21 |
| Mar | 3.55 | 3.65 | -0.10 |
| Apr | 1.75 | 1.96 | -0.21 |
| May | 0.81 | 1.00 | -0.19 |
| Jun | 0.23 | 0.36 | -0.13 |
| Jul | 0.03 | 0.07 | -0.04 |
| Aug | 0.06 | 0.13 | -0.07 |
| Sep | 0.13 | 0.18 | -0.05 |
| Oct | 1.18 | 1.22 | -0.04 |
| Nov | 2.40 | 2.39 | 0.01 |
| Dec | 4.95 | 5.06 | -0.11 |
24.55 | 26.05 | -1.50 |