| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 1.83 | -0.18 |
| Feb | 1.61 | 1.61 | 0.00 |
| Mar | 1.17 | 1.35 | -0.18 |
| Apr | 1.10 | 1.15 | -0.05 |
| May | 1.14 | 1.08 | 0.06 |
| Jun | 0.60 | 0.71 | -0.11 |
| Jul | 2.19 | 1.90 | 0.29 |
| Aug | 2.32 | 2.31 | 0.01 |
| Sep | 2.11 | 2.14 | -0.03 |
| Oct | 1.67 | 1.71 | -0.04 |
| Nov | 1.47 | 1.44 | 0.03 |
| Dec | 1.53 | 1.51 | 0.02 |
18.56 | 18.74 | -0.18 |