| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.10 | 1.35 | -0.25 |
| Feb | 1.25 | 1.69 | -0.44 |
| Mar | 0.74 | 0.86 | -0.12 |
| Apr | 0.27 | 0.33 | -0.06 |
| May | 0.09 | 0.10 | -0.01 |
| Jun | 0.05 | 0.04 | 0.01 |
| Jul | 0.06 | 0.13 | -0.07 |
| Aug | 0.04 | 0.03 | 0.01 |
| Sep | 0.12 | 0.15 | -0.03 |
| Oct | 0.30 | 0.32 | -0.02 |
| Nov | 0.40 | 0.38 | 0.02 |
| Dec | 0.93 | 1.16 | -0.23 |
5.35 | 6.54 | -1.19 |