| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.73 | 0.02 |
| Feb | 0.93 | 0.95 | -0.02 |
| Mar | 1.64 | 1.67 | -0.03 |
| Apr | 2.72 | 2.78 | -0.06 |
| May | 5.23 | 5.18 | 0.05 |
| Jun | 4.57 | 4.67 | -0.10 |
| Jul | 3.74 | 3.70 | 0.04 |
| Aug | 3.53 | 3.51 | 0.02 |
| Sep | 2.92 | 2.98 | -0.06 |
| Oct | 2.30 | 2.39 | -0.09 |
| Nov | 1.32 | 1.39 | -0.07 |
| Dec | 1.20 | 1.18 | 0.02 |
30.85 | 31.13 | -0.28 |