| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.94 | -0.04 |
| Feb | 1.39 | 1.44 | -0.05 |
| Mar | 2.51 | 2.54 | -0.03 |
| Apr | 3.45 | 3.34 | 0.11 |
| May | 5.59 | 5.63 | -0.04 |
| Jun | 5.17 | 5.28 | -0.11 |
| Jul | 3.96 | 3.93 | 0.03 |
| Aug | 3.97 | 4.06 | -0.09 |
| Sep | 3.18 | 2.99 | 0.19 |
| Oct | 3.22 | 3.28 | -0.06 |
| Nov | 1.75 | 1.73 | 0.02 |
| Dec | 1.38 | 1.37 | 0.01 |
36.47 | 36.53 | -0.06 |