| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.59 | -0.08 |
| Feb | 0.50 | 0.56 | -0.06 |
| Mar | 0.86 | 0.87 | -0.01 |
| Apr | 1.33 | 1.17 | 0.16 |
| May | 2.87 | 2.82 | 0.05 |
| Jun | 4.00 | 3.86 | 0.14 |
| Jul | 3.53 | 3.48 | 0.05 |
| Aug | 2.67 | 2.89 | -0.22 |
| Sep | 2.55 | 2.45 | 0.10 |
| Oct | 1.94 | 1.92 | 0.02 |
| Nov | 0.86 | 0.80 | 0.06 |
| Dec | 0.70 | 0.77 | -0.07 |
22.32 | 22.18 | 0.14 |