| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.51 | 0.00 |
| Feb | 2.98 | 2.96 | 0.02 |
| Mar | 4.02 | 4.05 | -0.03 |
| Apr | 3.62 | 3.66 | -0.04 |
| May | 3.70 | 3.58 | 0.12 |
| Jun | 4.31 | 4.34 | -0.03 |
| Jul | 4.83 | 4.70 | 0.13 |
| Aug | 4.58 | 4.60 | -0.02 |
| Sep | 4.80 | 5.17 | -0.37 |
| Oct | 3.45 | 3.53 | -0.08 |
| Nov | 3.30 | 3.31 | -0.01 |
| Dec | 3.49 | 3.47 | 0.02 |
46.59 | 46.88 | -0.29 |