| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.74 | -0.03 |
| Feb | 0.86 | 0.94 | -0.08 |
| Mar | 1.73 | 1.81 | -0.08 |
| Apr | 3.20 | 3.28 | -0.08 |
| May | 4.63 | 4.62 | 0.01 |
| Jun | 4.64 | 4.80 | -0.16 |
| Jul | 3.39 | 3.38 | 0.01 |
| Aug | 3.83 | 3.89 | -0.06 |
| Sep | 3.26 | 3.32 | -0.06 |
| Oct | 2.24 | 2.35 | -0.11 |
| Nov | 1.30 | 1.39 | -0.09 |
| Dec | 1.16 | 1.22 | -0.06 |
30.95 | 31.74 | -0.79 |