| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.91 | -0.05 |
| Feb | 0.83 | 0.83 | 0.00 |
| Mar | 1.60 | 1.62 | -0.02 |
| Apr | 2.93 | 2.96 | -0.03 |
| May | 4.19 | 4.21 | -0.02 |
| Jun | 5.16 | 5.06 | 0.10 |
| Jul | 4.12 | 4.30 | -0.18 |
| Aug | 4.45 | 4.55 | -0.10 |
| Sep | 3.37 | 3.39 | -0.02 |
| Oct | 2.80 | 2.85 | -0.05 |
| Nov | 1.70 | 1.65 | 0.05 |
| Dec | 1.16 | 1.22 | -0.06 |
33.17 | 33.55 | -0.38 |