| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.29 | 0.30 | -0.01 |
| Feb | 0.39 | 0.48 | -0.09 |
| Mar | 0.82 | 0.88 | -0.06 |
| Apr | 1.70 | 1.64 | 0.06 |
| May | 2.82 | 2.80 | 0.02 |
| Jun | 2.41 | 2.55 | -0.14 |
| Jul | 1.91 | 1.65 | 0.26 |
| Aug | 1.40 | 1.22 | 0.18 |
| Sep | 1.37 | 1.23 | 0.14 |
| Oct | 1.19 | 1.20 | -0.01 |
| Nov | 0.51 | 0.52 | -0.01 |
| Dec | 0.35 | 0.43 | -0.08 |
15.16 | 14.90 | 0.26 |