| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.83 | 2.05 | -0.22 |
| Feb | 1.75 | 1.98 | -0.23 |
| Mar | 1.52 | 1.85 | -0.33 |
| Apr | 1.34 | 1.37 | -0.03 |
| May | 1.32 | 1.14 | 0.18 |
| Jun | 0.58 | 0.48 | 0.10 |
| Jul | 1.61 | 1.50 | 0.11 |
| Aug | 1.93 | 1.85 | 0.08 |
| Sep | 1.99 | 2.17 | -0.18 |
| Oct | 1.65 | 1.66 | -0.01 |
| Nov | 1.45 | 1.64 | -0.19 |
| Dec | 1.59 | 1.73 | -0.14 |
18.56 | 19.42 | -0.86 |