| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.63 | -0.18 |
| Feb | 0.50 | 0.69 | -0.19 |
| Mar | 1.10 | 1.44 | -0.34 |
| Apr | 1.87 | 2.30 | -0.43 |
| May | 2.28 | 2.41 | -0.13 |
| Jun | 1.95 | 2.19 | -0.24 |
| Jul | 2.32 | 2.33 | -0.01 |
| Aug | 1.98 | 2.16 | -0.18 |
| Sep | 1.21 | 1.34 | -0.13 |
| Oct | 1.02 | 1.16 | -0.14 |
| Nov | 0.71 | 0.92 | -0.21 |
| Dec | 0.47 | 0.67 | -0.20 |
15.86 | 18.24 | -2.38 |