| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.74 | -0.06 |
| Feb | 0.80 | 0.81 | -0.01 |
| Mar | 1.56 | 1.64 | -0.08 |
| Apr | 2.90 | 2.85 | 0.05 |
| May | 4.00 | 4.18 | -0.18 |
| Jun | 4.83 | 5.18 | -0.35 |
| Jul | 3.81 | 3.76 | 0.05 |
| Aug | 3.81 | 3.86 | -0.05 |
| Sep | 3.16 | 3.21 | -0.05 |
| Oct | 2.30 | 2.40 | -0.10 |
| Nov | 1.40 | 1.36 | 0.04 |
| Dec | 0.94 | 1.01 | -0.07 |
30.19 | 31.00 | -0.81 |