| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.79 | 0.02 |
| Feb | 3.80 | 3.98 | -0.18 |
| Mar | 4.76 | 4.93 | -0.17 |
| Apr | 5.26 | 5.38 | -0.12 |
| May | 4.92 | 5.21 | -0.29 |
| Jun | 4.15 | 3.98 | 0.17 |
| Jul | 4.07 | 4.00 | 0.07 |
| Aug | 3.04 | 2.94 | 0.10 |
| Sep | 3.51 | 3.61 | -0.10 |
| Oct | 3.66 | 4.03 | -0.37 |
| Nov | 4.31 | 4.44 | -0.13 |
| Dec | 4.37 | 4.62 | -0.25 |
49.66 | 50.91 | -1.25 |