| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 2.14 | -0.49 |
| Feb | 1.56 | 1.86 | -0.30 |
| Mar | 1.48 | 1.77 | -0.29 |
| Apr | 1.29 | 1.38 | -0.09 |
| May | 1.44 | 1.37 | 0.07 |
| Jun | 0.87 | 0.88 | -0.01 |
| Jul | 2.74 | 2.70 | 0.04 |
| Aug | 2.77 | 2.97 | -0.20 |
| Sep | 2.28 | 2.63 | -0.35 |
| Oct | 1.73 | 2.00 | -0.27 |
| Nov | 1.81 | 1.80 | 0.01 |
| Dec | 1.58 | 1.96 | -0.38 |
21.20 | 23.46 | -2.26 |