| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 4.03 | -0.37 |
| Feb | 2.19 | 2.56 | -0.37 |
| Mar | 2.30 | 2.60 | -0.30 |
| Apr | 1.67 | 1.87 | -0.20 |
| May | 1.42 | 1.48 | -0.06 |
| Jun | 1.11 | 1.14 | -0.03 |
| Jul | 0.73 | 0.67 | 0.06 |
| Aug | 0.89 | 0.86 | 0.03 |
| Sep | 1.56 | 1.50 | 0.06 |
| Oct | 2.87 | 3.07 | -0.20 |
| Nov | 4.18 | 4.35 | -0.17 |
| Dec | 3.43 | 3.89 | -0.46 |
26.01 | 28.02 | -2.01 |