| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.74 | -0.03 |
| Feb | 0.83 | 0.81 | 0.02 |
| Mar | 1.60 | 1.64 | -0.04 |
| Apr | 2.96 | 2.83 | 0.13 |
| May | 4.09 | 4.17 | -0.08 |
| Jun | 4.85 | 5.22 | -0.37 |
| Jul | 3.87 | 3.80 | 0.07 |
| Aug | 3.86 | 3.85 | 0.01 |
| Sep | 3.17 | 3.22 | -0.05 |
| Oct | 2.33 | 2.44 | -0.11 |
| Nov | 1.45 | 1.37 | 0.08 |
| Dec | 0.95 | 1.02 | -0.07 |
30.67 | 31.11 | -0.44 |