| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.77 | 2.80 | -0.03 |
| Feb | 2.20 | 2.26 | -0.06 |
| Mar | 3.43 | 3.37 | 0.06 |
| Apr | 3.32 | 3.23 | 0.09 |
| May | 4.19 | 4.22 | -0.03 |
| Jun | 4.21 | 4.02 | 0.19 |
| Jul | 4.02 | 4.09 | -0.07 |
| Aug | 3.27 | 3.11 | 0.16 |
| Sep | 4.17 | 4.21 | -0.04 |
| Oct | 3.18 | 3.22 | -0.04 |
| Nov | 2.93 | 2.87 | 0.06 |
| Dec | 3.08 | 3.05 | 0.03 |
40.77 | 40.45 | 0.32 |