| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.80 | -0.01 |
| Feb | 0.78 | 0.88 | -0.10 |
| Mar | 1.15 | 1.27 | -0.12 |
| Apr | 1.44 | 1.35 | 0.09 |
| May | 2.16 | 2.09 | 0.07 |
| Jun | 2.76 | 2.70 | 0.06 |
| Jul | 2.12 | 2.42 | -0.30 |
| Aug | 1.72 | 1.54 | 0.18 |
| Sep | 4.54 | 4.60 | -0.06 |
| Oct | 2.30 | 2.04 | 0.26 |
| Nov | 1.21 | 1.19 | 0.02 |
| Dec | 1.02 | 0.92 | 0.10 |
21.99 | 21.80 | 0.19 |