| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.30 | 0.29 | 0.01 |
| Feb | 0.31 | 0.34 | -0.03 |
| Mar | 0.73 | 0.70 | 0.03 |
| Apr | 1.26 | 1.31 | -0.05 |
| May | 1.54 | 1.61 | -0.07 |
| Jun | 1.45 | 1.53 | -0.08 |
| Jul | 2.22 | 2.10 | 0.12 |
| Aug | 1.86 | 1.89 | -0.03 |
| Sep | 0.82 | 0.74 | 0.08 |
| Oct | 0.90 | 0.93 | -0.03 |
| Nov | 0.42 | 0.43 | -0.01 |
| Dec | 0.33 | 0.34 | -0.01 |
12.14 | 12.21 | -0.07 |