| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.70 | 6.35 | 0.35 |
| Feb | 6.72 | 6.92 | -0.20 |
| Mar | 4.93 | 4.18 | 0.75 |
| Apr | 2.30 | 2.18 | 0.12 |
| May | 1.08 | 1.16 | -0.08 |
| Jun | 0.28 | 0.41 | -0.13 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.09 | 0.08 | 0.01 |
| Sep | 0.12 | 0.15 | -0.03 |
| Oct | 1.63 | 1.40 | 0.23 |
| Nov | 3.89 | 3.98 | -0.09 |
| Dec | 7.70 | 7.94 | -0.24 |
35.45 | 34.77 | 0.68 |