| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.40 | 0.03 |
| Feb | 1.45 | 1.38 | 0.07 |
| Mar | 1.34 | 1.39 | -0.05 |
| Apr | 0.35 | 0.35 | 0.00 |
| May | 0.19 | 0.21 | -0.02 |
| Jun | 0.04 | 0.06 | -0.02 |
| Jul | 0.87 | 0.85 | 0.02 |
| Aug | 1.20 | 1.31 | -0.11 |
| Sep | 0.91 | 0.86 | 0.05 |
| Oct | 0.69 | 0.63 | 0.06 |
| Nov | 0.72 | 0.62 | 0.10 |
| Dec | 1.15 | 1.26 | -0.11 |
10.34 | 10.32 | 0.02 |