| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.34 | 6.43 | -0.09 |
| Feb | 4.64 | 4.69 | -0.05 |
| Mar | 4.61 | 4.69 | -0.08 |
| Apr | 3.24 | 3.40 | -0.16 |
| May | 2.05 | 2.25 | -0.20 |
| Jun | 1.01 | 1.08 | -0.07 |
| Jul | 0.27 | 0.30 | -0.03 |
| Aug | 0.28 | 0.35 | -0.07 |
| Sep | 0.91 | 1.03 | -0.12 |
| Oct | 2.86 | 2.97 | -0.11 |
| Nov | 5.92 | 6.06 | -0.14 |
| Dec | 7.89 | 7.98 | -0.09 |
40.02 | 41.23 | -1.21 |