| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.37 | 0.13 |
| Feb | 0.61 | 0.43 | 0.18 |
| Mar | 1.14 | 1.05 | 0.09 |
| Apr | 2.05 | 1.89 | 0.16 |
| May | 2.55 | 2.43 | 0.12 |
| Jun | 2.14 | 1.86 | 0.28 |
| Jul | 3.06 | 2.83 | 0.23 |
| Aug | 2.60 | 3.27 | -0.67 |
| Sep | 1.21 | 1.01 | 0.20 |
| Oct | 1.08 | 1.17 | -0.09 |
| Nov | 0.69 | 0.55 | 0.14 |
| Dec | 0.51 | 0.48 | 0.03 |
18.14 | 17.34 | 0.80 |