| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.14 | 4.02 | 0.12 |
| Feb | 3.13 | 2.98 | 0.15 |
| Mar | 3.15 | 2.77 | 0.38 |
| Apr | 2.50 | 2.30 | 0.20 |
| May | 1.96 | 1.70 | 0.26 |
| Jun | 1.03 | 0.93 | 0.10 |
| Jul | 0.42 | 0.43 | -0.01 |
| Aug | 0.39 | 0.41 | -0.02 |
| Sep | 0.61 | 0.53 | 0.08 |
| Oct | 1.91 | 1.72 | 0.19 |
| Nov | 3.67 | 3.51 | 0.16 |
| Dec | 5.30 | 5.32 | -0.02 |
28.21 | 26.62 | 1.59 |