| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.98 | 6.53 | 0.45 |
| Feb | 5.90 | 5.08 | 0.82 |
| Mar | 4.87 | 4.51 | 0.36 |
| Apr | 2.81 | 2.57 | 0.24 |
| May | 1.67 | 1.61 | 0.06 |
| Jun | 0.70 | 0.76 | -0.06 |
| Jul | 0.15 | 0.20 | -0.05 |
| Aug | 0.17 | 0.14 | 0.03 |
| Sep | 0.34 | 0.31 | 0.03 |
| Oct | 2.03 | 1.95 | 0.08 |
| Nov | 4.20 | 3.88 | 0.32 |
| Dec | 7.65 | 7.03 | 0.62 |
37.47 | 34.57 | 2.90 |