| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.72 | -0.08 |
| Feb | 1.93 | 1.84 | 0.09 |
| Mar | 2.66 | 2.70 | -0.04 |
| Apr | 2.32 | 2.09 | 0.23 |
| May | 4.19 | 3.99 | 0.20 |
| Jun | 3.15 | 3.16 | -0.01 |
| Jul | 1.93 | 1.89 | 0.04 |
| Aug | 2.04 | 1.80 | 0.24 |
| Sep | 2.77 | 2.62 | 0.15 |
| Oct | 3.26 | 3.19 | 0.07 |
| Nov | 2.32 | 2.28 | 0.04 |
| Dec | 1.94 | 2.01 | -0.07 |
30.15 | 29.29 | 0.86 |