| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.64 | -0.01 |
| Feb | 0.58 | 0.62 | -0.04 |
| Mar | 1.14 | 1.14 | 0.00 |
| Apr | 2.13 | 2.16 | -0.03 |
| May | 3.27 | 3.22 | 0.05 |
| Jun | 4.26 | 4.35 | -0.09 |
| Jul | 4.32 | 4.30 | 0.02 |
| Aug | 3.44 | 3.46 | -0.02 |
| Sep | 2.86 | 2.75 | 0.11 |
| Oct | 2.54 | 2.53 | 0.01 |
| Nov | 1.01 | 0.98 | 0.03 |
| Dec | 0.73 | 0.83 | -0.10 |
26.91 | 26.98 | -0.07 |