| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.13 | 6.34 | -0.21 |
| Feb | 4.56 | 4.83 | -0.27 |
| Mar | 4.54 | 5.05 | -0.51 |
| Apr | 3.35 | 3.72 | -0.37 |
| May | 2.45 | 2.61 | -0.16 |
| Jun | 1.58 | 1.67 | -0.09 |
| Jul | 0.42 | 0.43 | -0.01 |
| Aug | 0.55 | 0.54 | 0.01 |
| Sep | 1.53 | 1.56 | -0.03 |
| Oct | 3.81 | 4.01 | -0.20 |
| Nov | 6.48 | 6.61 | -0.13 |
| Dec | 7.23 | 7.51 | -0.28 |
42.63 | 44.88 | -2.25 |