| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.91 | 7.22 | -0.31 |
| Feb | 6.50 | 7.35 | -0.85 |
| Mar | 4.88 | 4.93 | -0.05 |
| Apr | 2.22 | 2.50 | -0.28 |
| May | 1.32 | 1.26 | 0.06 |
| Jun | 0.26 | 0.34 | -0.08 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.03 | 0.04 | -0.01 |
| Sep | 0.12 | 0.12 | 0.00 |
| Oct | 1.68 | 1.81 | -0.13 |
| Nov | 3.48 | 3.53 | -0.05 |
| Dec | 7.27 | 7.63 | -0.36 |
34.68 | 36.73 | -2.05 |