| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.64 | 7.94 | -0.30 |
| Feb | 5.86 | 5.62 | 0.24 |
| Mar | 5.26 | 5.55 | -0.29 |
| Apr | 3.74 | 3.73 | 0.01 |
| May | 2.20 | 2.22 | -0.02 |
| Jun | 1.27 | 1.35 | -0.08 |
| Jul | 0.31 | 0.32 | -0.01 |
| Aug | 0.48 | 0.46 | 0.02 |
| Sep | 1.49 | 1.54 | -0.05 |
| Oct | 4.12 | 4.10 | 0.02 |
| Nov | 7.51 | 7.53 | -0.02 |
| Dec | 9.76 | 9.61 | 0.15 |
49.64 | 49.97 | -0.33 |