| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.09 | 0.02 |
| Feb | 2.38 | 2.47 | -0.09 |
| Mar | 3.12 | 3.05 | 0.07 |
| Apr | 3.08 | 3.11 | -0.03 |
| May | 4.83 | 4.78 | 0.05 |
| Jun | 3.70 | 3.67 | 0.03 |
| Jul | 2.19 | 1.97 | 0.22 |
| Aug | 3.24 | 2.92 | 0.32 |
| Sep | 3.30 | 3.36 | -0.06 |
| Oct | 4.64 | 4.38 | 0.26 |
| Nov | 3.37 | 3.16 | 0.21 |
| Dec | 3.25 | 3.22 | 0.03 |
40.21 | 39.18 | 1.03 |