| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.49 | 5.30 | -0.81 |
| Feb | 4.07 | 4.53 | -0.46 |
| Mar | 3.12 | 3.26 | -0.14 |
| Apr | 1.66 | 1.86 | -0.20 |
| May | 1.13 | 1.43 | -0.30 |
| Jun | 0.51 | 0.59 | -0.08 |
| Jul | 0.05 | 0.07 | -0.02 |
| Aug | 0.07 | 0.08 | -0.01 |
| Sep | 0.22 | 0.25 | -0.03 |
| Oct | 1.08 | 1.08 | 0.00 |
| Nov | 2.58 | 2.70 | -0.12 |
| Dec | 4.19 | 5.14 | -0.95 |
23.17 | 26.29 | -3.12 |