| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 4.01 | -0.07 |
| Feb | 3.28 | 3.78 | -0.50 |
| Mar | 4.11 | 4.39 | -0.28 |
| Apr | 4.03 | 4.08 | -0.05 |
| May | 3.05 | 3.33 | -0.28 |
| Jun | 3.23 | 3.07 | 0.16 |
| Jul | 2.36 | 2.56 | -0.20 |
| Aug | 3.43 | 3.15 | 0.28 |
| Sep | 3.63 | 3.70 | -0.07 |
| Oct | 4.22 | 4.24 | -0.02 |
| Nov | 3.96 | 4.07 | -0.11 |
| Dec | 4.67 | 4.70 | -0.03 |
43.91 | 45.08 | -1.17 |