| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.99 | 6.01 | -0.02 |
| Feb | 6.03 | 6.05 | -0.02 |
| Mar | 4.31 | 4.32 | -0.01 |
| Apr | 2.00 | 2.11 | -0.11 |
| May | 1.15 | 1.23 | -0.08 |
| Jun | 0.26 | 0.32 | -0.06 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.03 | 0.05 | -0.02 |
| Sep | 0.13 | 0.12 | 0.01 |
| Oct | 1.53 | 1.60 | -0.07 |
| Nov | 3.31 | 3.21 | 0.10 |
| Dec | 6.45 | 6.28 | 0.17 |
31.20 | 31.32 | -0.12 |