| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.78 | 1.92 | -0.14 |
| Feb | 1.68 | 1.73 | -0.05 |
| Mar | 2.43 | 2.67 | -0.24 |
| Apr | 2.42 | 2.43 | -0.01 |
| May | 4.41 | 4.57 | -0.16 |
| Jun | 3.31 | 3.39 | -0.08 |
| Jul | 2.20 | 2.73 | -0.53 |
| Aug | 2.34 | 2.27 | 0.07 |
| Sep | 3.50 | 3.71 | -0.21 |
| Oct | 2.96 | 3.08 | -0.12 |
| Nov | 2.19 | 2.14 | 0.05 |
| Dec | 1.67 | 1.96 | -0.29 |
30.89 | 32.60 | -1.71 |