| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.70 | -0.01 |
| Feb | 0.98 | 1.01 | -0.03 |
| Mar | 1.61 | 1.74 | -0.13 |
| Apr | 2.09 | 2.23 | -0.14 |
| May | 4.22 | 4.40 | -0.18 |
| Jun | 3.68 | 3.64 | 0.04 |
| Jul | 3.82 | 3.81 | 0.01 |
| Aug | 3.60 | 3.64 | -0.04 |
| Sep | 2.18 | 1.97 | 0.21 |
| Oct | 1.93 | 2.05 | -0.12 |
| Nov | 1.03 | 1.05 | -0.02 |
| Dec | 0.97 | 0.98 | -0.01 |
26.80 | 27.22 | -0.42 |