| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.17 | 5.15 | 0.02 |
| Feb | 5.42 | 5.19 | 0.23 |
| Mar | 5.43 | 5.31 | 0.12 |
| Apr | 5.24 | 5.66 | -0.42 |
| May | 4.88 | 5.29 | -0.41 |
| Jun | 5.11 | 5.27 | -0.16 |
| Jul | 5.21 | 5.11 | 0.10 |
| Aug | 3.73 | 3.76 | -0.03 |
| Sep | 4.35 | 4.08 | 0.27 |
| Oct | 3.60 | 3.59 | 0.01 |
| Nov | 4.79 | 4.56 | 0.23 |
| Dec | 6.15 | 6.18 | -0.03 |
59.08 | 59.15 | -0.07 |