| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.45 | -0.03 |
| Feb | 0.57 | 0.60 | -0.03 |
| Mar | 1.27 | 1.32 | -0.05 |
| Apr | 2.57 | 2.73 | -0.16 |
| May | 4.10 | 4.03 | 0.07 |
| Jun | 3.80 | 3.83 | -0.03 |
| Jul | 3.19 | 3.26 | -0.07 |
| Aug | 3.02 | 2.89 | 0.13 |
| Sep | 2.03 | 2.10 | -0.07 |
| Oct | 1.87 | 1.83 | 0.04 |
| Nov | 0.86 | 0.89 | -0.03 |
| Dec | 0.54 | 0.62 | -0.08 |
24.24 | 24.55 | -0.31 |