| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.05 | 0.06 |
| Feb | 1.05 | 1.00 | 0.05 |
| Mar | 0.77 | 0.70 | 0.07 |
| Apr | 0.29 | 0.28 | 0.01 |
| May | 0.18 | 0.18 | 0.00 |
| Jun | 0.25 | 0.29 | -0.04 |
| Jul | 2.14 | 1.96 | 0.18 |
| Aug | 2.27 | 2.40 | -0.13 |
| Sep | 1.27 | 1.32 | -0.05 |
| Oct | 0.64 | 0.71 | -0.07 |
| Nov | 0.76 | 0.62 | 0.14 |
| Dec | 1.27 | 1.11 | 0.16 |
12.00 | 11.62 | 0.38 |