| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 1.19 | -0.18 |
| Feb | 0.91 | 1.02 | -0.11 |
| Mar | 0.52 | 0.64 | -0.12 |
| Apr | 0.27 | 0.38 | -0.11 |
| May | 0.47 | 0.67 | -0.20 |
| Jun | 0.75 | 0.89 | -0.14 |
| Jul | 3.38 | 3.86 | -0.48 |
| Aug | 3.10 | 3.51 | -0.41 |
| Sep | 2.02 | 2.43 | -0.41 |
| Oct | 1.01 | 1.11 | -0.10 |
| Nov | 0.93 | 1.16 | -0.23 |
| Dec | 1.21 | 1.34 | -0.13 |
15.58 | 18.20 | -2.62 |