| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.86 | 0.02 |
| Feb | 0.85 | 0.87 | -0.02 |
| Mar | 1.37 | 1.44 | -0.07 |
| Apr | 2.50 | 2.54 | -0.04 |
| May | 3.32 | 3.42 | -0.10 |
| Jun | 4.43 | 4.50 | -0.07 |
| Jul | 4.14 | 4.24 | -0.10 |
| Aug | 3.68 | 3.78 | -0.10 |
| Sep | 3.21 | 3.25 | -0.04 |
| Oct | 3.00 | 3.07 | -0.07 |
| Nov | 1.70 | 1.78 | -0.08 |
| Dec | 1.26 | 1.46 | -0.20 |
30.34 | 31.21 | -0.87 |