| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 2.14 | -0.12 |
| Feb | 1.89 | 2.03 | -0.14 |
| Mar | 2.57 | 2.68 | -0.11 |
| Apr | 2.44 | 2.47 | -0.03 |
| May | 4.65 | 4.97 | -0.32 |
| Jun | 3.46 | 3.63 | -0.17 |
| Jul | 2.18 | 2.64 | -0.46 |
| Aug | 2.37 | 2.48 | -0.11 |
| Sep | 3.63 | 3.86 | -0.23 |
| Oct | 3.48 | 3.74 | -0.26 |
| Nov | 2.45 | 2.74 | -0.29 |
| Dec | 1.92 | 2.26 | -0.34 |
33.06 | 35.64 | -2.58 |