| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.93 | -0.20 |
| Feb | 0.77 | 0.87 | -0.10 |
| Mar | 1.57 | 1.66 | -0.09 |
| Apr | 2.86 | 3.09 | -0.23 |
| May | 4.12 | 4.37 | -0.25 |
| Jun | 4.43 | 4.61 | -0.18 |
| Jul | 4.17 | 4.29 | -0.12 |
| Aug | 4.33 | 4.21 | 0.12 |
| Sep | 3.25 | 3.35 | -0.10 |
| Oct | 2.78 | 2.78 | 0.00 |
| Nov | 1.55 | 1.67 | -0.12 |
| Dec | 1.03 | 1.29 | -0.26 |
31.59 | 33.12 | -1.53 |