| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.69 | 6.00 | 0.69 |
| Feb | 5.15 | 4.67 | 0.48 |
| Mar | 5.39 | 4.77 | 0.62 |
| Apr | 4.45 | 3.75 | 0.70 |
| May | 3.04 | 2.66 | 0.38 |
| Jun | 1.69 | 1.43 | 0.26 |
| Jul | 0.35 | 0.34 | 0.01 |
| Aug | 0.47 | 0.39 | 0.08 |
| Sep | 1.54 | 1.36 | 0.18 |
| Oct | 3.90 | 3.45 | 0.45 |
| Nov | 6.78 | 6.21 | 0.57 |
| Dec | 7.95 | 7.19 | 0.76 |
47.40 | 42.22 | 5.18 |