| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.79 | -0.08 |
| Feb | 0.81 | 0.86 | -0.05 |
| Mar | 1.49 | 1.56 | -0.07 |
| Apr | 2.73 | 2.97 | -0.24 |
| May | 4.21 | 4.31 | -0.10 |
| Jun | 4.50 | 4.44 | 0.06 |
| Jul | 4.37 | 4.45 | -0.08 |
| Aug | 4.10 | 4.15 | -0.05 |
| Sep | 3.30 | 3.33 | -0.03 |
| Oct | 2.77 | 2.87 | -0.10 |
| Nov | 1.57 | 1.67 | -0.10 |
| Dec | 1.07 | 1.19 | -0.12 |
31.63 | 32.59 | -0.96 |