| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.26 | 1.29 | -0.03 |
| Feb | 1.58 | 1.69 | -0.11 |
| Mar | 2.51 | 2.54 | -0.03 |
| Apr | 4.14 | 4.03 | 0.11 |
| May | 5.65 | 5.77 | -0.12 |
| Jun | 5.24 | 5.44 | -0.20 |
| Jul | 4.17 | 4.23 | -0.06 |
| Aug | 4.02 | 4.14 | -0.12 |
| Sep | 4.14 | 4.31 | -0.17 |
| Oct | 3.40 | 3.36 | 0.04 |
| Nov | 2.39 | 2.34 | 0.05 |
| Dec | 1.79 | 1.76 | 0.03 |
40.29 | 40.90 | -0.61 |