| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.96 | -0.09 |
| Feb | 0.86 | 0.94 | -0.08 |
| Mar | 1.35 | 1.39 | -0.04 |
| Apr | 2.39 | 2.42 | -0.03 |
| May | 3.30 | 3.43 | -0.13 |
| Jun | 4.58 | 4.57 | 0.01 |
| Jul | 4.21 | 4.26 | -0.05 |
| Aug | 3.77 | 3.95 | -0.18 |
| Sep | 3.22 | 3.40 | -0.18 |
| Oct | 2.98 | 3.17 | -0.19 |
| Nov | 1.64 | 1.76 | -0.12 |
| Dec | 1.27 | 1.43 | -0.16 |
30.44 | 31.68 | -1.24 |