| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.55 | -0.10 |
| Feb | 0.54 | 0.64 | -0.10 |
| Mar | 1.13 | 1.40 | -0.27 |
| Apr | 1.86 | 2.15 | -0.29 |
| May | 2.40 | 2.41 | -0.01 |
| Jun | 1.75 | 1.80 | -0.05 |
| Jul | 2.21 | 2.05 | 0.16 |
| Aug | 1.74 | 2.08 | -0.34 |
| Sep | 1.28 | 1.40 | -0.12 |
| Oct | 0.96 | 1.19 | -0.23 |
| Nov | 0.69 | 0.83 | -0.14 |
| Dec | 0.52 | 0.63 | -0.11 |
15.53 | 17.13 | -1.60 |