| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 1.03 | -0.03 |
| Feb | 1.04 | 1.11 | -0.07 |
| Mar | 1.89 | 1.99 | -0.10 |
| Apr | 3.19 | 3.22 | -0.03 |
| May | 4.13 | 4.32 | -0.19 |
| Jun | 4.96 | 5.00 | -0.04 |
| Jul | 3.93 | 3.79 | 0.14 |
| Aug | 4.32 | 4.71 | -0.39 |
| Sep | 3.64 | 3.80 | -0.16 |
| Oct | 2.62 | 2.60 | 0.02 |
| Nov | 1.86 | 1.81 | 0.05 |
| Dec | 1.29 | 1.44 | -0.15 |
33.87 | 34.82 | -0.95 |