| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.33 | -0.01 |
| Feb | 2.71 | 2.80 | -0.09 |
| Mar | 3.87 | 3.99 | -0.12 |
| Apr | 4.93 | 4.93 | 0.00 |
| May | 5.22 | 5.26 | -0.04 |
| Jun | 4.66 | 4.63 | 0.03 |
| Jul | 4.27 | 4.24 | 0.03 |
| Aug | 3.22 | 3.19 | 0.03 |
| Sep | 3.64 | 3.56 | 0.08 |
| Oct | 3.50 | 3.51 | -0.01 |
| Nov | 3.92 | 4.00 | -0.08 |
| Dec | 3.46 | 3.51 | -0.05 |
46.72 | 46.95 | -0.23 |