| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.08 | 6.93 | 0.15 |
| Feb | 7.20 | 6.54 | 0.66 |
| Mar | 6.28 | 6.24 | 0.04 |
| Apr | 3.30 | 3.25 | 0.05 |
| May | 1.85 | 1.86 | -0.01 |
| Jun | 0.54 | 0.55 | -0.01 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.06 | 0.09 | -0.03 |
| Sep | 0.34 | 0.29 | 0.05 |
| Oct | 2.10 | 1.97 | 0.13 |
| Nov | 4.35 | 4.14 | 0.21 |
| Dec | 7.66 | 7.56 | 0.10 |
40.77 | 39.43 | 1.34 |