| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.18 | 4.29 | -0.11 |
| Feb | 3.61 | 3.78 | -0.17 |
| Mar | 5.23 | 5.34 | -0.11 |
| Apr | 4.45 | 4.46 | -0.01 |
| May | 3.56 | 3.63 | -0.07 |
| Jun | 3.81 | 3.73 | 0.08 |
| Jul | 3.20 | 3.19 | 0.01 |
| Aug | 3.60 | 3.65 | -0.05 |
| Sep | 4.17 | 3.91 | 0.26 |
| Oct | 5.04 | 4.80 | 0.24 |
| Nov | 4.47 | 4.39 | 0.08 |
| Dec | 4.89 | 5.07 | -0.18 |
50.21 | 50.24 | -0.03 |