| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.63 | 0.03 |
| Feb | 3.34 | 3.28 | 0.06 |
| Mar | 4.39 | 4.31 | 0.08 |
| Apr | 4.25 | 4.20 | 0.05 |
| May | 3.60 | 3.51 | 0.09 |
| Jun | 4.21 | 4.17 | 0.04 |
| Jul | 3.67 | 3.68 | -0.01 |
| Aug | 3.94 | 3.96 | -0.02 |
| Sep | 3.95 | 3.86 | 0.09 |
| Oct | 4.83 | 4.81 | 0.02 |
| Nov | 3.93 | 3.76 | 0.17 |
| Dec | 4.53 | 4.62 | -0.09 |
48.30 | 47.79 | 0.51 |