| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 2.00 | -0.36 |
| Feb | 1.50 | 1.64 | -0.14 |
| Mar | 1.08 | 1.33 | -0.25 |
| Apr | 1.07 | 1.24 | -0.17 |
| May | 1.10 | 1.21 | -0.11 |
| Jun | 0.54 | 0.63 | -0.09 |
| Jul | 2.02 | 1.91 | 0.11 |
| Aug | 2.14 | 2.42 | -0.28 |
| Sep | 2.08 | 2.11 | -0.03 |
| Oct | 1.69 | 1.80 | -0.11 |
| Nov | 1.37 | 1.51 | -0.14 |
| Dec | 1.45 | 1.64 | -0.19 |
17.68 | 19.44 | -1.76 |