| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.67 | -0.01 |
| Feb | 0.65 | 0.65 | 0.00 |
| Mar | 1.12 | 1.14 | -0.02 |
| Apr | 1.97 | 2.08 | -0.11 |
| May | 3.10 | 3.29 | -0.19 |
| Jun | 4.26 | 4.26 | 0.00 |
| Jul | 3.84 | 4.07 | -0.23 |
| Aug | 3.00 | 3.05 | -0.05 |
| Sep | 2.89 | 2.99 | -0.10 |
| Oct | 2.62 | 2.70 | -0.08 |
| Nov | 1.10 | 1.13 | -0.03 |
| Dec | 0.83 | 0.94 | -0.11 |
26.04 | 26.97 | -0.93 |