| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.61 | 1.54 | 0.07 |
| Feb | 1.14 | 1.10 | 0.04 |
| Mar | 0.95 | 0.77 | 0.18 |
| Apr | 0.93 | 0.75 | 0.18 |
| May | 1.21 | 1.05 | 0.16 |
| Jun | 0.80 | 0.71 | 0.09 |
| Jul | 0.39 | 0.40 | -0.01 |
| Aug | 0.40 | 0.41 | -0.01 |
| Sep | 0.44 | 0.34 | 0.10 |
| Oct | 0.81 | 0.73 | 0.08 |
| Nov | 1.38 | 1.20 | 0.18 |
| Dec | 2.02 | 1.96 | 0.06 |
12.08 | 10.96 | 1.12 |