| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.61 | 1.64 | -0.03 |
| Feb | 1.57 | 1.66 | -0.09 |
| Mar | 2.01 | 1.93 | 0.08 |
| Apr | 3.69 | 3.75 | -0.06 |
| May | 3.73 | 3.78 | -0.05 |
| Jun | 4.40 | 4.65 | -0.25 |
| Jul | 3.44 | 3.51 | -0.07 |
| Aug | 3.71 | 3.64 | 0.07 |
| Sep | 3.22 | 3.14 | 0.08 |
| Oct | 2.83 | 2.75 | 0.08 |
| Nov | 2.12 | 2.10 | 0.02 |
| Dec | 1.86 | 1.96 | -0.10 |
34.19 | 34.51 | -0.32 |