| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.18 | 4.23 | -0.05 |
| Feb | 4.26 | 4.32 | -0.06 |
| Mar | 4.68 | 4.63 | 0.05 |
| Apr | 3.44 | 3.53 | -0.09 |
| May | 3.11 | 3.12 | -0.01 |
| Jun | 4.16 | 4.36 | -0.20 |
| Jul | 3.89 | 4.14 | -0.25 |
| Aug | 4.61 | 4.40 | 0.21 |
| Sep | 3.73 | 3.90 | -0.17 |
| Oct | 2.86 | 2.93 | -0.07 |
| Nov | 3.37 | 3.43 | -0.06 |
| Dec | 4.45 | 4.48 | -0.03 |
46.74 | 47.47 | -0.73 |