| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.03 | 0.02 |
| Feb | 1.24 | 1.25 | -0.01 |
| Mar | 2.32 | 2.37 | -0.05 |
| Apr | 3.26 | 3.27 | -0.01 |
| May | 4.70 | 4.58 | 0.12 |
| Jun | 4.19 | 3.98 | 0.21 |
| Jul | 2.55 | 2.47 | 0.08 |
| Aug | 3.30 | 3.08 | 0.22 |
| Sep | 2.87 | 2.78 | 0.09 |
| Oct | 2.94 | 2.85 | 0.09 |
| Nov | 1.60 | 1.64 | -0.04 |
| Dec | 1.46 | 1.32 | 0.14 |
31.48 | 30.62 | 0.86 |