| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.60 | 0.09 |
| Feb | 0.70 | 0.58 | 0.12 |
| Mar | 1.10 | 1.08 | 0.02 |
| Apr | 2.04 | 2.01 | 0.03 |
| May | 3.18 | 3.16 | 0.02 |
| Jun | 4.35 | 4.30 | 0.05 |
| Jul | 4.13 | 3.96 | 0.17 |
| Aug | 3.19 | 3.13 | 0.06 |
| Sep | 2.90 | 2.79 | 0.11 |
| Oct | 2.52 | 2.39 | 0.13 |
| Nov | 1.02 | 0.88 | 0.14 |
| Dec | 0.80 | 0.76 | 0.04 |
26.62 | 25.64 | 0.98 |